Remove stray #endif from incorrectly merged changes.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74459 
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
 #ifndef HAVE_TR1_TYPE_TRAITS
     #if defined(__has_include) && __has_include(<tr1/type_traits>)
         #define HAVE_TR1_TYPE_TRAITS
 #ifndef HAVE_TR1_TYPE_TRAITS
     #if defined(__has_include) && __has_include(<tr1/type_traits>)
         #define HAVE_TR1_TYPE_TRAITS
     #elif defined(__VISUALC__) && (_MSC_FULL_VER >= 150030729)
         #define HAVE_TR1_TYPE_TRAITS
     #endif
     #elif defined(__VISUALC__) && (_MSC_FULL_VER >= 150030729)
         #define HAVE_TR1_TYPE_TRAITS
     #endif