diff -r 1eedcfcb91ef -r cb3673616d90 libpurple/plugins/helloworld.c
--- a/libpurple/plugins/helloworld.c	Mon Nov 18 00:47:38 2013 +0530
+++ b/libpurple/plugins/helloworld.c	Mon Nov 18 01:09:52 2013 +0530
@@ -21,7 +21,10 @@
  *
  */
 
-#include <internal.h>
+/* When writing a third-party plugin, do not include libpurple's internal.h
+ * included below. This file is for internal libpurple use only. We're including
+ * it here for our own convenience. */
+#include "internal.h"
 
 /* This file defines PURPLE_PLUGINS and includes all the libpurple headers */
 #include <purple.h>