Make several variable declarations static.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50696 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 4775123..5af0a57 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -55,7 +55,7 @@
 STATISTIC(NumSimplify, "Number of simplifications of unswitched code");
 
 namespace {
-  cl::opt<unsigned>
+  static cl::opt<unsigned>
   Threshold("loop-unswitch-threshold", cl::desc("Max loop size to unswitch"),
             cl::init(10), cl::Hidden);