submodule.c: use GIT_DIR_ENVIRONMENT consistently

diff --git a/gettext.h b/gettext.h
index 33696a40b8a11262d090a2eec4dfdce0fed6af0f..7eee64a34fa0a5e922606e6351b29d08cb26fe6b 100644 (file)
--- a/gettext.h
+++ b/gettext.h
@@ -90,5 +90,6 @@ const char *Q_(const char *msgid, const char *plu, unsigned long n)
 #endif
 
 const char *get_preferred_languages(void);
+extern int is_utf8_locale(void);
 
 #endif