Fix std::unordered_map deduction guide

2017-11-27  Stephan Bergmann  <sbergman@redhat.com>

	* include/bits/unordered_map.h (unordered_map): Fix deduction guide.
	* include/debug/unordered_map (unordered_map): Likewise.

From-SVN: r255174

libstdc++-v3/ChangeLog

+2017-11-27  Stephan Bergmann  <sbergman@redhat.com>
+
+	* include/bits/unordered_map.h (unordered_map): Fix deduction guide.
+	* include/debug/unordered_map (unordered_map): Likewise.
+
 2017-11-23  Jonathan Wakely  <jwakely@redhat.com>
 
 	* libsupc++/new (launder): Add nodiscard attribute.

libstdc++-v3/include/bits/unordered_map.h

@@ -1193,7 +1193,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
     -> unordered_map<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
 
   template<typename _Key, typename _Tp, typename _Allocator,
-	   _RequireAllocator<_Allocator>>
+	   typename = _RequireAllocator<_Allocator>>
     unordered_map(initializer_list<pair<_Key, _Tp>>, _Allocator)
     -> unordered_map<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
 

libstdc++-v3/include/debug/unordered_map

@@ -679,7 +679,7 @@ namespace __debug
     -> unordered_map<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
 
   template<typename _Key, typename _Tp, typename _Allocator,
-	   _RequireAllocator<_Allocator>>
+	   typename = _RequireAllocator<_Allocator>>
     unordered_map(initializer_list<pair<_Key, _Tp>>, _Allocator)
     -> unordered_map<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;