Make a bunch of symbols private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index a1be94a..0f92d66 100644
--- a/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -30,7 +30,7 @@
 #include "llvm/Support/raw_ostream.h" // FIXME: for debug only. remove!
 using namespace llvm;
 
-cl::opt<bool>
+static cl::opt<bool>
 VerifyARMPseudo("verify-arm-pseudo-expand", cl::Hidden,
                 cl::desc("Verify machine code after expanding ARM pseudos"));