fix build with libobjc2-1.7

--- sope-appserver/NGObjWeb/DynamicElements/decommon.h.orig	Mon Jul 22 15:03:07 2013
+++ sope-appserver/NGObjWeb/DynamicElements/decommon.h	Sun Oct 13 17:48:51 2013
@@ -35,6 +35,10 @@
 @end
 #endif
 
+#if (defined(__GNU_LIBOBJC__) && (__GNU_LIBOBJC__ >= 20100911)) || defined(APPLE_RUNTIME) || defined(__GNUSTEP_RUNTIME__)
+#  define sel_get_name(__XXX__) sel_getName(__XXX__)
+#endif
+
 #include <NGExtensions/NGExtensions.h>
 #include "WOResponse+private.h"
 #include <NGObjWeb/WOContext.h>