Modify the distcheck of POTFILES.skip to ignore scheme files

They need to be in the skip file to mollify newer intltool versions,
but still need to be handled by guile-strings.c for older versions of 
intltool.


git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@22836 57a11ea4-9604-0410-9ed3-97b8803252fd

Makefile.am

@@ -150,7 +150,7 @@ distcheck-hook:
 			e='yes'; \
 		fi; \
 	done; \
-	for X in `grep -v \# ${distdir}/po/POTFILES.skip` ; do \
+	for X in `grep -v '\(^\#\|.scm\$\)' ${distdir}/po/POTFILES.skip` ; do \
 		if [ -f ${distdir}/$$X ] ; then \
 			echo $$X " is in POTFILES.skip but also in the dist.";\
 			e='yes'; \