File libsigc++12-automake1.11.patch of Package libsigc++12

Index: libsigc++-1.2.7/sigc++/Makefile.am
===================================================================
--- libsigc++-1.2.7.orig/sigc++/Makefile.am
+++ libsigc++-1.2.7/sigc++/Makefile.am
@@ -12,7 +12,7 @@ sigc_built_cc	=
 sigc_built_h	= bind_return.h	\
 		  object_slot.h retype_return.h slot.h bind.h		\
 		  class_slot.h hide.h retype.h signal.h       \
-                  method_slot.h method_slot.h
+                  method_slot.h
 
 built_sources	= $(sigc_built_cc) $(sigc_built_h)
 dist_sources	= $(sigc_fixed_cc) $(sigc_fixed_h)