introduce img_free()

this removes some repetitive code.

1 files changed, 1 insertions, 0 deletions

diff --git a/nsxiv.h b/nsxiv.h
index e68b215..949fc4b 100644
--- a/nsxiv.h
+++ b/nsxiv.h
@@ -217,6 +217,7 @@ struct img {
 
 void img_init(img_t*, win_t*);
 bool img_load(img_t*, const fileinfo_t*);
+CLEANUP void img_free(Imlib_Image, bool);
 CLEANUP void img_close(img_t*, bool);
 void img_render(img_t*);
 bool img_fit_win(img_t*, scalemode_t);