getinfo.c: reset timecond when clearing session-info variables

Bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=705783


Reported-by: Ludovico Cavedon <cavedon@debian.org>

lib/getinfo.c

@@ -55,6 +55,7 @@ CURLcode Curl_initinfo(struct SessionHandle *data)
   info->httpcode = 0;
   info->httpversion=0;
   info->filetime=-1; /* -1 is an illegal time and thus means unknown */
+  info->timecond=0;
 
   if(info->contenttype)
     free(info->contenttype);