wakeup_reason: use vsnprintf instead of snprintf for vargs.

Bug: 22368519
Change-Id: I38f6f1ac6eaf9490bdc195c59e045b33ad154a72
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>

kernel/power/wakeup_reason.c

@@ -467,7 +467,7 @@ void log_suspend_abort_reason(const char *fmt, ...)
 
 	suspend_abort = true;
 	va_start(args, fmt);
-	snprintf(abort_reason, MAX_SUSPEND_ABORT_LEN, fmt, args);
+	vsnprintf(abort_reason, MAX_SUSPEND_ABORT_LEN, fmt, args);
 	va_end(args);
 
 	spin_unlock(&resume_reason_lock);