[libsigc++2/variadic] bind: Correct wrong use of type_trait_take_t.

[Murray Cumming <murrayc src gnome org>]

commit 289fd2cdd52bbdc9e0100cc201da1b3b0ea79c8c
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Mar 1 21:55:38 2016 +0100

    bind: Correct wrong use of type_trait_take_t.
    
    Instead of type_trait_pass_t.
    This was caused by an incorrect substitution in this commit:
    https://git.gnome.org/browse/libsigc++2/commit/?h=variadic&id=e0d2c10094c043294a9d07f8a6ab4e0e2611534f

 sigc++/adaptors/macros/bind.h.m4 |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/sigc++/adaptors/macros/bind.h.m4 b/sigc++/adaptors/macros/bind.h.m4
index e091fe5..dad5186 100644
--- a/sigc++/adaptors/macros/bind.h.m4
+++ b/sigc++/adaptors/macros/bind.h.m4
@@ -33,7 +33,7 @@ FOR(1, eval($2-1),[
   template <LOOP([class T_arg%1], eval($2-1))>
   decltype(auto)
   operator()(LOOP(T_arg%1 _A_arg%1,eval($2-1)))
-    { return this->functor_.SIGC_WORKAROUND_OPERATOR_PARENTHESES<LIST(LOOP([type_trait_pass_t<T_arg%1>], 
eval($1-1)), type_trait_take_t<typename unwrap_reference<T_bound>::type>, 
FOR($1,eval($2-1),[type_trait_take_t<T_arg%1>,]))>
+    { return this->functor_.SIGC_WORKAROUND_OPERATOR_PARENTHESES<LIST(LOOP([type_trait_pass_t<T_arg%1>], 
eval($1-1)), type_trait_pass_t<typename unwrap_reference<T_bound>::type>, 
FOR($1,eval($2-1),[type_trait_pass_t<T_arg%1>,]))>
         (LIST(LOOP(_A_arg%1,eval($1-1)), bound_.invoke(), FOR($1,eval($2-1),[_A_arg%1,])));
     }
 
@@ -49,7 +49,7 @@ FOR(1, eval($2-1),[
   template <LOOP([class T_arg%1], eval($2-1))>
   decltype(auto)
   operator()(LOOP(T_arg%1 _A_arg%1, eval($2-1)))
-    { return this->functor_.SIGC_WORKAROUND_OPERATOR_PARENTHESES<LIST(LOOP([type_trait_pass_t<T_arg%1>], 
eval($2-1)), LOOP(type_trait_take_t<typename unwrap_reference<T_type%1>::type>, $1))>
+    { return this->functor_.SIGC_WORKAROUND_OPERATOR_PARENTHESES<LIST(LOOP([type_trait_pass_t<T_arg%1>], 
eval($2-1)), LOOP(type_trait_pass_t<typename unwrap_reference<T_type%1>::type>, $1))>
         (LIST(LOOP(_A_arg%1,eval($2-1)), LOOP(bound%1_.invoke(), $1)));
     }