[PATCH] fix timeout in mod_ssl's trace2 log output

[Faidon Liambotis]

"timeout" is nowadays a duration, not an absolute value. Fix the trace2
output to print it as such, instead of subtracting time(NULL) and
resulting in lines such as:

[Mon Aug 05 03:51:07.369625 2013] [ssl:trace2] [pid 7916:tid 140003006699264] 
ssl_engine_kernel.c(1698): Inter-Process Session Cache: request=SET status=OK 
id=e53934c8b21017256ebe00327be265ccbb82bbaaef52adb900a884a07ad32eac 
timeout=-1375674367s (session caching) 

--- modules/ssl/ssl_engine_kernel.c     (revision 1510425)
+++ modules/ssl/ssl_engine_kernel.c     (working copy)
@@ -1687,7 +1687,7 @@
 
     if (timeout) {
         apr_snprintf(timeout_str, sizeof(timeout_str),
-                     "timeout=%lds ", (timeout - time(NULL)));
+                     "timeout=%lds ", timeout);
     }
 
     ap_log_error(APLOG_MARK, APLOG_TRACE2, 0, s,