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/SymbolTable.cpp b/src/compiler/SymbolTable.cpp
index 142763d..d97f0ec 100644
--- a/src/compiler/SymbolTable.cpp
+++ b/src/compiler/SymbolTable.cpp
@@ -11,6 +11,8 @@
 
 #include "compiler/SymbolTable.h"
 
+#include <stdio.h>
+
 //
 // TType helper function needs a place to live.
 //