Driver: Fix thinkos that prevented Clang from picking the right deployment

target when both {MACOSX,IPHONEOS}_DEPLOYMENT_TARGET were set.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99055 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Driver/ToolChains.cpp

@@ -394,9 +394,9 @@ DerivedArgList *Darwin::TranslateArgs(InputArgList &Args,
       // this. Perhaps put under -pedantic?
       if (getTriple().getArch() == llvm::Triple::arm ||
           getTriple().getArch() == llvm::Triple::thumb)
-        OSXVersion = 0;
+        OSXTarget = 0;
       else
-        iPhoneVersion = 0;
+        iPhoneOSTarget = 0;
     }
 
     if (OSXTarget) {