Fix warnings.

Configure

@@ -156,6 +156,7 @@ my %table=(
 "debug-bodo",	"gcc:-DL_ENDIAN -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBIO_PAIR_DEBUG -DPEDANTIC -g -march=i486 -pedantic -Wshadow -Wall::-D_REENTRANT:::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}",
 "debug-ulf", "gcc:-DTERMIOS -DL_ENDIAN -march=i486 -Wall -DBN_DEBUG -DBN_DEBUG_RAND -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DOPENSSL_NO_ASM -g -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations:::CYGWIN32:::${no_asm}:win32:cygwin-shared:::.dll",
 "debug-steve",	"gcc:-DL_ENDIAN -DREF_CHECK -DCONF_DEBUG -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG_ALL -DPEDANTIC -g -march=i486 -pedantic -Wno-long-long -Wall -Werror -Wshadow -pipe::-D_REENTRANT::-rdynamic -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared",
+"debug-steve-opt",	"gcc:-DL_ENDIAN -DREF_CHECK -DCONF_DEBUG -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG_ALL -DPEDANTIC -g -march=i486 -pedantic -Wno-long-long -Wall -Werror -Wshadow -pipe -O3::-D_REENTRANT::-rdynamic -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared",
 "debug-steve-linux-pseudo64",	"gcc:-DL_ENDIAN -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG_ALL -DOPENSSL_NO_ASM -g -mcpu=i486 -Wall -Werror -Wshadow -pipe::-D_REENTRANT::-rdynamic -ldl:SIXTY_FOUR_BIT:${no_asm}:dlfcn:linux-shared",
 "debug-levitte-linux-elf","gcc:-DLEVITTE_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_DEBUG -DBN_DEBUG_RAND -DCRYPTO_MDEBUG -DENGINE_CONF_DEBUG -DL_ENDIAN -DTERMIO -D_POSIX_SOURCE -DPEDANTIC -ggdb -g3 -mcpu=i486 -pedantic -ansi -Wall -Wshadow -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wundef -Wconversion -pipe::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-levitte-linux-noasm","gcc:-DLEVITTE_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_DEBUG -DBN_DEBUG_RAND -DCRYPTO_MDEBUG -DENGINE_CONF_DEBUG -DOPENSSL_NO_ASM -DL_ENDIAN -DTERMIO -D_POSIX_SOURCE -DPEDANTIC -ggdb -g3 -mcpu=i486 -pedantic -ansi -Wall -Wshadow -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wundef -Wconversion -pipe::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",

crypto/evp/p_sign.c

@@ -92,7 +92,7 @@ int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
 	if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE)
 		{
 		EVP_PKEY_CTX *pkctx = NULL;
-		int sltmp = EVP_PKEY_size(pkey);
+		size_t sltmp = (size_t)EVP_PKEY_size(pkey);
 		i = 0;
 		pkctx = EVP_PKEY_CTX_new(pkey, NULL);
 		if (!pkctx)

crypto/pem/pem_info.c

@@ -99,7 +99,7 @@ STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pe
 	int ok=0;
 	STACK_OF(X509_INFO) *ret=NULL;
 	unsigned int i,raw,ptype;
-	d2i_of_void *d2i;
+	d2i_of_void *d2i = 0;
 
 	if (sk == NULL)
 		{

crypto/pem/pvkfmt.c

@@ -480,7 +480,7 @@ static void write_dsa(unsigned char **out, DSA *dsa, int ispub);
 static int do_i2b(unsigned char **out, EVP_PKEY *pk, int ispub)
 	{
 	unsigned char *p;
-	unsigned int bitlen, magic, keyalg;
+	unsigned int bitlen, magic = 0, keyalg;
 	int outlen, noinc = 0;
 	if (pk->type == EVP_PKEY_DSA)
 		{

crypto/pkcs7/pk7_doit.c

@@ -145,7 +145,7 @@ static int pkcs7_encode_rinfo(PKCS7_RECIP_INFO *ri,
 	EVP_PKEY *pkey = NULL;
 	unsigned char *ek = NULL;
 	int ret = 0;
-	int eklen;
+	size_t eklen;
 
 	pkey = X509_get_pubkey(ri->cert);
 
@@ -202,7 +202,7 @@ int pkcs7_decrypt_rinfo(unsigned char **pek, int *peklen,
 	{
 	EVP_PKEY_CTX *pctx = NULL;
 	unsigned char *ek = NULL;
-	int eklen;
+	size_t eklen;
 
 	int ret = 0;
 

crypto/pkcs7/pk7_lib.c

@@ -388,7 +388,7 @@ err:
 PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey,
 	     const EVP_MD *dgst)
 	{
-	PKCS7_SIGNER_INFO *si;
+	PKCS7_SIGNER_INFO *si = NULL;
 
 	if (dgst == NULL)
 		{

crypto/pkcs7/pk7_smime.c

@@ -112,7 +112,7 @@ PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
 int PKCS7_final(PKCS7 *p7, BIO *data, int flags)
 	{
 	BIO *p7bio;
-	int ret;
+	int ret = 0;
 	if (!(p7bio = PKCS7_dataInit(p7, NULL)))
 		{
 		PKCS7err(PKCS7_F_PKCS7_FINAL,ERR_R_MALLOC_FAILURE);