Fix implicit declaration of function 'prctl' in logd.

Change-Id: I0f655ad15295739adb8f04ec62c88a220413875e
diff --git a/logd/main.cpp b/logd/main.cpp
index ece5a3a..1e1a718 100644
--- a/logd/main.cpp
+++ b/logd/main.cpp
@@ -22,12 +22,11 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/capability.h>
+#include <sys/prctl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
-#include <linux/prctl.h>
-
 #include <cutils/properties.h>
 
 #include "private/android_filesystem_config.h"