reopen needs to be volatile, or the compiler might optimize it away.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1450 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishlog/varnishlog.c

@@ -212,7 +212,7 @@ do_order(struct VSL_data *vd, int argc, char **argv)
 
 /*--------------------------------------------------------------------*/
 
-static sig_atomic_t reopen;
+static volatile sig_atomic_t reopen;
 
 static void
 sighup(int sig)

bin/varnishncsa/varnishncsa.c

@@ -347,7 +347,7 @@ h_ncsa(void *priv, enum shmlogtag tag, unsigned fd,
 
 /*--------------------------------------------------------------------*/
 
-static sig_atomic_t reopen;
+static volatile sig_atomic_t reopen;
 
 static void
 sighup(int sig)