Add explicit default case for -Wswitch-enum.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134399 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 8f61e1f..eb23e6f 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -807,6 +807,8 @@
     case llvm::Triple::NetBSD:
         SizeType = UnsignedInt;
         break;
+    default:
+	break;
     }
   }