TCF Agent: fix format string in post_event_with_delay

post_event_with_delay now follows post_from_bg_thread and uses a
colon ":" to separate minutes from seconds (mm:ss.ms) when
eventcore logging is enabled.

Change-Id: If5edeb75edc12d969e7962136e79ae91ecb53705
Signed-off-by: Sanimir Agovic <sanimir@subpath.org>
diff --git a/agent/tcf/framework/events.c b/agent/tcf/framework/events.c
index 3a35fde..12f0b5c 100644
--- a/agent/tcf/framework/events.c
+++ b/agent/tcf/framework/events.c
@@ -227,7 +227,7 @@
         }
         check_error(pthread_mutex_unlock(&event_lock));
 
-        trace(LOG_EVENTCORE, "post_event: event %#" PRIxPTR ", handler %#" PRIxPTR ", arg %#" PRIxPTR ", runtime %02u%02u.%03u",
+        trace(LOG_EVENTCORE, "post_event: event %#" PRIxPTR ", handler %#" PRIxPTR ", arg %#" PRIxPTR ", runtime %02u:%02u.%03u",
             (uintptr_t)ev, (uintptr_t)ev->handler, (uintptr_t)ev->arg,
             (unsigned)(ev->runtime.tv_sec / 60 % 60),
             (unsigned)(ev->runtime.tv_sec % 60),