Use /usr/share/gnulib/build-aux/gitlog-to-changelog (in the gnulib) package
instead of svn2cl, since we moved from subversion to git.
gitlog-to-changelog sums up the commits, whereas git2cl dumps them
individually.
changelog.target = ChangeLog
changelog.commands = \
changelog.target = ChangeLog
changelog.commands = \
- svn up && svn2cl --group-by-day --reparagraph
+ git pull && /usr/share/gnulib/build-aux/gitlog-to-changelog > ChangeLog
changelog.CONFIG = phony
icon.target = data/$${TARGET}.png
changelog.CONFIG = phony
icon.target = data/$${TARGET}.png