Fixed a memory leak in clang/Tooling.

llvm-svn: 157687
diff --git a/clang/lib/Tooling/Tooling.cpp b/clang/lib/Tooling/Tooling.cpp
index a4a63e2..058d897f 100644
--- a/clang/lib/Tooling/Tooling.cpp
+++ b/clang/lib/Tooling/Tooling.cpp
@@ -251,8 +251,7 @@
     // FIXME: figure out what '0' stands for.
     const FileEntry *FromFile = Files->getVirtualFile(
         It->getKey(), Input->getBufferSize(), 0);
-    // FIXME: figure out memory management ('true').
-    Sources.overrideFileContents(FromFile, Input, true);
+    Sources.overrideFileContents(FromFile, Input);
   }
 }