Make sure temporary files get unlinked.

llvm-svn: 84208
diff --git a/clang/tools/CIndex/CIndex.cpp b/clang/tools/CIndex/CIndex.cpp
index 33099cc..5e999c1 100644
--- a/clang/tools/CIndex/CIndex.cpp
+++ b/clang/tools/CIndex/CIndex.cpp
@@ -325,7 +325,10 @@
   } while (tpid != child_pid);
   
   // Finally, we create the translation unit from the ast file.
-  return clang_createTranslationUnit(CIdx, astTmpFile);
+  ASTUnit *ATU = static_cast<ASTUnit *>(
+                   clang_createTranslationUnit(CIdx, astTmpFile));
+  ATU->unlinkTemporaryFile();
+  return ATU;
 }
 
 void clang_disposeTranslationUnit(