64bit time_t fix.

--- src/Toolbar.cc.orig	Tue Apr 12 00:38:00 2005
+++ src/Toolbar.cc	Sat Aug 17 22:47:24 2013
@@ -40,12 +40,14 @@
 #include <assert.h>
 
 
-long nextTimeout(int resolution)
+time_t nextTimeout(int resolution)
 {
   timeval now;
   gettimeofday(&now, 0);
-  return (std::max(1000l, ((((resolution - (now.tv_sec % resolution)) * 1000l))
-                           - (now.tv_usec / 1000l))));
+  time_t	t;
+  t = (resolution - (now.tv_sec % resolution)) * 1000l;
+  t -= now.tv_usec / 1000l;
+  return std::max(t, (time_t)1000);
 }