Fix compilation in dev-mode

Backport a compilation fix in md5.c from trunk that only showed up in
dev-mode under certain compiler versions.
........

Merged revisions 368719 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@368721 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/md5.c

@@ -123,6 +123,7 @@ void MD5Final(unsigned char digest[16], struct MD5Context *ctx)
 {
 	unsigned count;
 	unsigned char *p;
+	uint32_t *in_buf;
 
 	/* Compute number of bytes mod 64 */
 	count = (ctx->bits[0] >> 3) & 0x3F;
@@ -151,8 +152,9 @@ void MD5Final(unsigned char digest[16], struct MD5Context *ctx)
 	byteReverse(ctx->in, 14);
 
 	/* Append length in bits and transform */
-	((uint32_t *) ctx->in)[14] = ctx->bits[0];
-	((uint32_t *) ctx->in)[15] = ctx->bits[1];
+	in_buf = (uint32_t *) ctx->in;
+	in_buf[14] = ctx->bits[0];
+	in_buf[15] = ctx->bits[1];
 
 	MD5Transform(ctx->buf, (uint32_t *) ctx->in);
 	byteReverse((unsigned char *) ctx->buf, 4);