[FYI] maint: adapt 'update-copyright' recipe to the new $(FETCHFILES) format

[Stefano Lattarini]

This is a fixup for commit v1.12.5-27-g71ce1b4 of 2012-12-09, "fetch:
improve, and reduce code duplication".

* Makefile.am (update-copyright): Adjust.

Signed-off-by: Stefano Lattarini <address@hidden>
---
 Makefile.am | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 22a8fbd..89d747f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1045,8 +1045,10 @@ update-copyright:
          || { echo "$@: cannot get current year" >&2; exit 1; }; \
        sed -i "/^RELEASE_YEAR=/s/=.*$$/=$$current_year/" \
          bootstrap.sh configure.ac; \
-       excluded_re=`echo $(FETCHFILES) \
-         | sed -e 's|^.*/|lib/|' -e 's| | lib/|g' -e 's, ,|,g'`; \
+       excluded_re=`\
+         for url in $(FETCHFILES); do echo "$$url"; done \
+           | sed -e 's!^.*/!!' -e 's!^.*=!!' -e 's!^!lib/!' \
+           | sed -e '$$!s,$$,|,' | tr -d '\012\015'`; \
        $(GIT) ls-files \
          | grep -Ev '^(lib/)?(COPYING|INSTALL)$$' \
          | grep -Ev "^($$excluded_re)$$" \
-- 
1.8.0.1.347.gf94c325