IncludeFile hack to pull in BasicValueNumbering whenever ValueNumbering.h
is included.

llvm-svn: 10397
diff --git a/llvm/lib/Analysis/ValueNumbering.cpp b/llvm/lib/Analysis/ValueNumbering.cpp
index 5807546..d472651 100644
--- a/llvm/lib/Analysis/ValueNumbering.cpp
+++ b/llvm/lib/Analysis/ValueNumbering.cpp
@@ -191,4 +191,6 @@
       }
 }
 
+void BasicValueNumberingStub() { }
+
 } // End llvm namespace