Fix a couple uninitialized variables from my previous commit.

llvm-svn: 60713
diff --git a/clang/Driver/RewriteObjC.cpp b/clang/Driver/RewriteObjC.cpp
index b3f3e92..eabc87b 100644
--- a/clang/Driver/RewriteObjC.cpp
+++ b/clang/Driver/RewriteObjC.cpp
@@ -412,7 +412,9 @@
   BcLabelCount = 0;
   SuperContructorFunctionDecl = 0;
   NumObjCStringLiterals = 0;
-  
+  PropParentMap = 0;
+  CurrentBody = 0;
+
   // Get the ID and start/end of the main file.
   MainFileID = SM->getMainFileID();
   const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID);