[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS

The name _LIBCPP_TYPE_VIS_ONLY is no longer accurate because both
_LIBCPP_TYPE_VIS and _LIBCPP_TYPE_VIS_ONLY expand to
__attribute__((__type_visibility__)) with Clang. The only remaining difference
is that _LIBCPP_TYPE_VIS_ONLY can be applied to templates whereas
_LIBCPP_TYPE_VIS cannot (due to dllimport/dllexport not being allowed on
templates).

This patch renames _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@291035 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/stack b/include/stack
index ee3fac8..228864e 100644
--- a/include/stack
+++ b/include/stack
@@ -91,7 +91,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TYPE_VIS_ONLY stack;
+template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TEMPLATE_VIS stack;
 
 template <class _Tp, class _Container>
 _LIBCPP_INLINE_VISIBILITY
@@ -104,7 +104,7 @@
 operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
 
 template <class _Tp, class _Container /*= deque<_Tp>*/>
-class _LIBCPP_TYPE_VIS_ONLY stack
+class _LIBCPP_TEMPLATE_VIS stack
 {
 public:
     typedef _Container                               container_type;
@@ -286,7 +286,7 @@
 }
 
 template <class _Tp, class _Container, class _Alloc>
-struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<stack<_Tp, _Container>, _Alloc>
+struct _LIBCPP_TEMPLATE_VIS uses_allocator<stack<_Tp, _Container>, _Alloc>
     : public uses_allocator<_Container, _Alloc>
 {
 };