[libclang] Use a copy of the data-recursive RecursiveASTVisitor inside libclang.

This is temporary until we settle on how to make the main RecursiveASTVisitor safe.
There are some modifications on the original version, to avoid extreme memory usage
when compiling for release.

rdar://11179167

llvm-svn: 156329

clang/tools/libclang/IndexBody.cpp

@@ -9,7 +9,7 @@
 
 #include "IndexingContext.h"
 
-#include "clang/AST/RecursiveASTVisitor.h"
+#include "RecursiveASTVisitor.h"
 
 using namespace clang;
 using namespace cxindex;

clang/tools/libclang/IndexTypeSourceInfo.cpp

@@ -9,7 +9,7 @@
 
 #include "IndexingContext.h"
 
-#include "clang/AST/RecursiveASTVisitor.h"
+#include "RecursiveASTVisitor.h"
 
 using namespace clang;
 using namespace cxindex;