Relucantly include <time.h> for time_t. We'll have to clean up our header

files at some point.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@720 d4fa192b-c00b-0410-8231-f00ffab90ce4

include/libvarnish.h

@@ -2,6 +2,8 @@
  * $Id$
  */
 
+#include <time.h>
+
 /* from libvarnish/argv.c */
 void FreeArgv(char **argv);
 char **ParseArgv(const char *s, int comment);