lib/colors:: fix compiler warnings [-Wcast-qual]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/lib/colors.c b/lib/colors.c
index 6ee81ccbb20702ac17e7b743d83a1a85e2822187..f636ecc4f44b95fbb722744fc6aa7b2bbb7ef512 100644 (file)
--- a/lib/colors.c
+++ b/lib/colors.c
@@ -120,8 +120,8 @@ static int colors_read_schemes(struct ul_color_ctl *cc);
  */
 static int cmp_scheme_name(const void *a0, const void *b0)
 {
-       struct ul_color_scheme  *a = (struct ul_color_scheme *) a0,
-                               *b = (struct ul_color_scheme *) b0;
+       const struct ul_color_scheme *a = (const struct ul_color_scheme *) a0,
+                                    *b = (const struct ul_color_scheme *) b0;
        return strcmp(a->name, b->name);
 }