fix gettext import for Win #369

Job	Run time
Build	3m 51s
Build (python)	3m 56s
Build (default)	4m 19s
Build (default,romfs)	4m 29s
Build (image)	3m 52s
Build (image,python)	4m 1s
Build (compression)	3m 33s
Build (compression,python)	3m 53s
Build (map_bg)	3m 45s
Build (map_bg,python)	3m 52s
Build (kao)	3m 52s
Build (kao,python)	3m 53s
Build (map_bg,kao)	4m 11s
Build (map_bg,kao,python)	3m 55s
Build (misc_graphics)	3m 46s
Build (misc_graphics,python)	3m 58s
Build (dungeon_graphics)	3m 50s
Build (dungeon_graphics,python)	4m 5s
Build (strings)	4m 6s
Build (strings,python)	3m 48s
Build (dse)	3m 53s
Build (dse,python)	3m 47s
Build (mappa_bin)	3m 47s
Build (mappa_bin,python)	3m 54s
Build (md)	3m 48s
Build (md,python)	4m 1s
Build (item_p)	3m 51s
Build (item_p,python)	4m 8s
Build (waza_p)	4m 6s
Build (waza_p,python)	3m 57s
Build (romfs)	3m 53s
Build (sir0)	3m 47s
Build (script_var_table)	3m 41s
Build (script_var_table,python)	4m 2s
Build (strings,map_bg,kao,python,python,with_pmd_wan,dse,dungeon_graphics,misc_graphics,romfs,sir0)	4m 10s
	2h 17m 40s

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