Fix DLL build by removing _LIBCPP_FUNC_VIS from member of class marked dllexport

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292185 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/memory b/include/memory
index d4d7b65..505f7c8 100644
--- a/include/memory
+++ b/include/memory
@@ -3751,8 +3751,8 @@
         : __shared_owners_(__refs) {}
 
 #ifdef _LIBCPP_BUILDING_MEMORY
-    _LIBCPP_FUNC_VIS void __add_shared() _NOEXCEPT;
-    _LIBCPP_FUNC_VIS bool __release_shared() _NOEXCEPT;
+    void __add_shared() _NOEXCEPT;
+    bool __release_shared() _NOEXCEPT;
 #else
     _LIBCPP_INLINE_VISIBILITY
     void __add_shared() _NOEXCEPT {
@@ -3788,9 +3788,9 @@
 
 public:
 #ifdef _LIBCPP_BUILDING_MEMORY
-    _LIBCPP_FUNC_VIS void __add_shared() _NOEXCEPT;
-    _LIBCPP_FUNC_VIS void __add_weak() _NOEXCEPT;
-    _LIBCPP_FUNC_VIS void __release_shared() _NOEXCEPT;
+    void __add_shared() _NOEXCEPT;
+    void __add_weak() _NOEXCEPT;
+    void __release_shared() _NOEXCEPT;
 #else
     _LIBCPP_INLINE_VISIBILITY
     void __add_shared() _NOEXCEPT {