cov 10413: crypto init a variable.

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2841 fd59a12c-fef9-0310-b244-a6a79926bd2f

exec/crypto.c

@@ -1254,7 +1254,7 @@ static unsigned long rng_nix(unsigned char *buf, unsigned long len,
                              void (*callback)(void))
 {
 	int fd;
-	unsigned long rb;
+	unsigned long rb = 0;
 
 	fd = open ("/dev/urandom", O_RDONLY);