awk bug in po/Makefile.in.in

[Bo Peng]

Run

$ cd po
# make layouts_l10n.pot,

translations for

#: lib/layouts/siamltex.layout:52
msgid "    End."
msgstr ""

and

#: lib/layouts/stdlists.inc:103
msgid "#*"
msgstr ""

are wrong in layouts_l10n.pot.

Cheers,
Bo