Merge branch 'vl/maint-openssl-signature-change' into maint

* vl/maint-openssl-signature-change:
  imap-send.c: fix compiler warnings for OpenSSL 1.0

Author: gitster

imap-send.c

@@ -272,8 +272,12 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve
 #ifdef NO_OPENSSL
 	fprintf(stderr, "SSL requested but SSL support not compiled in\n");
 	return -1;
+#else
+#if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
+	const SSL_METHOD *meth;
 #else
 	SSL_METHOD *meth;
+#endif
 	SSL_CTX *ctx;
 	int ret;