Fix warning when compiling with optimizations:

  warning: ‘OPT’ may be used uninitialized in this function

Now OPT is initialized to NULL. I'm not certain if this is the correct fix;
others please review.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75321 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 8611fd5..058bda4 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3832,8 +3832,8 @@
     
     if (IExp->getType()->isIntegerType()) {
       QualType PointeeTy;
-      const PointerType *PTy;
-      const ObjCObjectPointerType *OPT;
+      const PointerType *PTy = NULL;
+      const ObjCObjectPointerType *OPT = NULL;
       
       if ((PTy = PExp->getType()->getAsPointerType()))
         PointeeTy = PTy->getPointeeType();