Combine two branches into one.  No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62727 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/RegionStore.cpp b/lib/Analysis/RegionStore.cpp
index 7c42fec..3faae70 100644
--- a/lib/Analysis/RegionStore.cpp
+++ b/lib/Analysis/RegionStore.cpp
@@ -323,10 +323,8 @@
 
 SVal RegionStoreManager::getLValueElement(const GRState* St, 
                                           SVal Base, SVal Offset) {
-  if (Base.isUnknownOrUndef())
-    return Base;
 
-  if (isa<loc::SymbolVal>(Base))
+  if (Base.isUnknownOrUndef() || isa<loc::SymbolVal>(Base))
     return Base;
 
   loc::MemRegionVal& BaseL = cast<loc::MemRegionVal>(Base);