Refactored InfoSink. I have replaced most instances of sprintf with std::ostringstream to make it safer. I have made sure that everything still compiles and passes conformance tests.
Review URL: http://codereview.appspot.com/1391041

git-svn-id: https://angleproject.googlecode.com/svn/trunk@322 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/ConstantUnion.h b/src/compiler/ConstantUnion.h
index 1fdb61d..cf531ea 100644
--- a/src/compiler/ConstantUnion.h
+++ b/src/compiler/ConstantUnion.h
@@ -7,6 +7,7 @@
 #ifndef _CONSTANT_UNION_INCLUDED_
 #define _CONSTANT_UNION_INCLUDED_
 
+#include <assert.h>
 
 class ConstantUnion {
 public: