add missing files to POTFILES,

probably no changes to translateable strings due to this but better to
do it before the hard freeze...

po/wesnoth/POTFILES.in

@@ -5,6 +5,7 @@ src/ai.cpp
 src/ai_dfool.cpp
 src/ai_move.cpp
 src/ai_python.cpp
+src/ai_village.cpp
 src/animated_game.cpp
 src/astarnode.cpp
 src/astarsearch.cpp
@@ -28,6 +29,7 @@ src/game.cpp
 src/game_display.cpp
 src/game_events.cpp
 src/gamestatus.cpp
+src/gamestatus_editor.cpp
 src/generate_report.cpp
 src/generic_event.cpp
 src/gettext.cpp
@@ -87,6 +89,9 @@ src/soundsource.cpp
 src/statistics.cpp
 src/team.cpp
 src/terrain.cpp
+src/tests/main.cpp
+src/tests/test_network_worker.cpp
+src/tests/test_util.cpp
 src/theme.cpp
 src/thread.cpp
 src/titlescreen.cpp