Make flag variables int instead of char. This avoids getting into trouble on...

Make flag variables int instead of char.  This avoids getting into trouble on systems where char is unsigned by default

apps/dgst.c

@@ -74,7 +74,7 @@
 #undef PROG
 #define PROG	dgst_main
 
-void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
+void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
 		EVP_PKEY *key, unsigned char *sigin, int siglen);
 
 int MAIN(int, char **);
@@ -96,7 +96,7 @@ int MAIN(int argc, char **argv)
 	int keyform=FORMAT_PEM;
 	const char *outfile = NULL, *keyfile = NULL;
 	const char *sigfile = NULL, *randfile = NULL;
-	char out_bin = -1, want_pub = 0, do_verify = 0;
+	int out_bin = -1, want_pub = 0, do_verify = 0;
 	EVP_PKEY *sigkey = NULL;
 	unsigned char *sigbuf = NULL;
 	int siglen = 0;
@@ -399,7 +399,7 @@ end:
 	EXIT(err);
 	}
 
-void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
+void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
 			EVP_PKEY *key, unsigned char *sigin, int siglen)
 	{
 	int len;