lib/Analysis: Remove VISIBILITY_HIDDEN from definitions in anonymous namespace

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90028 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AttrNonNullChecker.cpp b/lib/Analysis/AttrNonNullChecker.cpp
index 8668c75..aa21700 100644
--- a/lib/Analysis/AttrNonNullChecker.cpp
+++ b/lib/Analysis/AttrNonNullChecker.cpp
@@ -19,7 +19,7 @@
 using namespace clang;
 
 namespace {
-class VISIBILITY_HIDDEN AttrNonNullChecker
+class AttrNonNullChecker
   : public CheckerVisitor<AttrNonNullChecker> {
   BugType *BT;
 public: