Include string.h so mem* functions get properly declared.

crypto/asn1/tasn_utl.c

@@ -58,6 +58,7 @@
 
 
 #include <stddef.h>
+#include <string.h>
 #include <openssl/asn1.h>
 #include <openssl/asn1t.h>
 #include <openssl/objects.h>

crypto/ocsp/ocsp_vfy.c

@@ -58,6 +58,7 @@
 
 #include <openssl/ocsp.h>
 #include <openssl/err.h>
+#include <string.h>
 
 static int ocsp_find_signer(X509 **psigner, OCSP_BASICRESP *bs, STACK_OF(X509) *certs,
 				X509_STORE *st, unsigned long flags);