make copyrightの記述ミスを修正

diff --git a/Makefile b/Makefile
index 9b28da2a26b5df922221f005c049e7595a9d44f6..f01859e2b170fb722c6b6498fbef05802dbf9226 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -103,7 +103,7 @@ gitpushgithub:
 copyright: LICENSE.copyright___stamp  README.copyright___stamp
 
 %.copyright___stamp: %
-       $(SED) -i.sedbak 's/Copyright (c) 2010-20[0-9][0-9]/Copyright (c) 2010-$(YEAR)/g' && $(DIFF) $<.sedbak $< >$@ && $(RM) *.sedbak
+       $(SED) -i.sedbak 's/Copyright (c) 2010-20[0-9][0-9]/Copyright (c) 2010-$(YEAR)/g' $< && $(DIFF) $<.sedbak $< >$@ && $(RM) *.sedbak
 
 include git.mk