Add linux metadata files to the po file generation

translation/POTDIRS

@@ -12,3 +12,6 @@ pcb_calculator
 pcbnew
 plugins
 tools
+resources/linux/appdata
+resources/linux/launchers
+resources/linux/mime

translation/update-po-files.sh

@@ -61,7 +61,7 @@ POTDIRS=`cat $LOCALDIR/POTDIRS|grep -v '^#'|grep -v '^\s*$'` #Read file without
 cd $SOURCEDIR
 
 #Generate/update template pot file
-find $POTDIRS -name '*.cpp' -or -name '*.h' |
+find $POTDIRS -name '*.cpp' -or -name '*.h' -or -name '*.xml.in' -or -name '*.desktop.in' |
   sort |
   xgettext -f- -k_ -k_HKI -kwxPLURAL:1,2 --force-po --from-code utf-8 -o $LOCALDIR/pofiles/kicad.pot