i18n: sort by file when generating hg.pot
This will make the order more stable and give smaller patches when
translations merge in new and deleted strings from the hg.pot file.
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
merging a
warning: conflicts during merge.
merging a failed!
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
e7fe8eb3e180+0d24b7662d3e+ tip
<<<<<<< local
something else
=======
something
>>>>>>> other
M a
? a.orig