fix gcc 3.4 compatibility problem


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10248 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Support/InstVisitor.h b/include/llvm/Support/InstVisitor.h
index 9a34edb..b3fc893 100644
--- a/include/llvm/Support/InstVisitor.h
+++ b/include/llvm/Support/InstVisitor.h
@@ -50,7 +50,7 @@
 #ifndef LLVM_SUPPORT_INSTVISITOR_H
 #define LLVM_SUPPORT_INSTVISITOR_H
 
-#include "llvm/Instruction.h"
+#include "llvm/Function.h"
 
 namespace llvm {