Change a couple of 'template <typename's to 'template <class' which is what we use in the rest of the library.

llvm-svn: 283162
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: f2464a9301ff6109575c5eeda93021241b1fea64
diff --git a/include/string b/include/string
index 110ddf9..3ffe74d 100644
--- a/include/string
+++ b/include/string
@@ -916,7 +916,7 @@
     _LIBCPP_INLINE_VISIBILITY
     basic_string& append(__self_view __sv) { return append(__sv.data(), __sv.size()); }
     basic_string& append(const basic_string& __str, size_type __pos, size_type __n=npos);
-    template <typename _Tp>
+    template <class _Tp>
         typename enable_if
         <
             __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value,
@@ -966,7 +966,7 @@
         {*this = _VSTD::move(str); return *this;}
 #endif
     basic_string& assign(const basic_string& __str, size_type __pos, size_type __n=npos);
-    template <typename _Tp>
+    template <class _Tp>
         typename enable_if
         <
             __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value,
@@ -2261,7 +2261,7 @@
 }
 
 template <class _CharT, class _Traits, class _Allocator>
-template <typename _Tp>
+template <class _Tp>
     typename enable_if
     <
         __can_be_converted_to_string_view<_CharT, _Traits, _Tp>::value,