eina: warning removed from eina_debug_timer

Reviewers: stanluk, lukasz.stanislawski

Subscribers: cedric, jpeg

Differential Revision: https://phab.enlightenment.org/D5500

src/lib/eina/eina_debug_timer.c

@@ -190,7 +190,8 @@ _eina_debug_timer_init(void)
 {
    eina_spinlock_new(&_lock);
 #ifndef _WIN32
-   pipe(pipeToThread);
+   if (pipe(pipeToThread) == -1)
+     return  EINA_FALSE;
 #endif
    return EINA_TRUE;
 }