Invert condition on branch (was causing RegionStore::ArrayToPointer to return 'unknown' on most cases.

llvm-svn: 62129
diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index 598107c..9041930 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -452,7 +452,7 @@
   const MemRegion* R = cast<loc::MemRegionVal>(&Array)->getRegion();
   const TypedRegion* ArrayR = dyn_cast<TypedRegion>(R);
   
-  if (ArrayR)
+  if (!ArrayR)
     return UnknownVal();
   
   nonloc::ConcreteInt Idx(getBasicVals().getZeroWithPtrWidth(false));