theme: fix icon bug

Do not carry over previous alt_filename for icons that don't have one.

diff --git a/src/theme.c b/src/theme.c
index 1df54389232933f80a19fae8a6f17b082be49910..97a00695bfe4e8a169f9e3b3d39cb8e2096a7a7c 100644 (file)
--- a/src/theme.c
+++ b/src/theme.c
@@ -227,6 +227,7 @@ load_buttons(struct theme *theme)
 
                /* If there were no png/svg buttons, use xbm */
                snprintf(filename, sizeof(filename), "%s.xbm", b->name);
+               alt_filename[0] = '\0';
                if (b->alt_name) {
                        snprintf(alt_filename, sizeof(alt_filename), "%s.xbm", b->alt_name);
                }