Added extra partial specialisations to is_member_function_pointer

to accound for cv-qualified member-functions


[SVN r12240]

libs/type_traits

@@ -1 +1 @@
-Subproject commit 7a8b460ce8fd036910551b5ab74429b3273270bc
+Subproject commit bcd934c959f24237e05c5b7d30d1082d3b55cc9c