Added some includes.

My Unbuntu 10.04 gcc configuration seems to need <stdio.h> to use some of the string printf functions like vsnprintf.
The translator is building for me now.

Review URL: http://codereview.appspot.com/1717041

git-svn-id: https://angleproject.googlecode.com/svn/trunk@337 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/debug.cpp b/src/compiler/debug.cpp
index f3a7785..9642e1e 100644
--- a/src/compiler/debug.cpp
+++ b/src/compiler/debug.cpp
@@ -9,6 +9,7 @@
 #include "compiler/debug.h"
 
 #include <stdarg.h>
+#include <stdio.h>
 
 #include "compiler/ParseHelper.h"