closeness_cmp: maintain constness when casting pointers

create.c: In function 'closeness_cmp':
create.c:224:5: warning: cast discards qualifiers from pointer target type
create.c:224:5: warning: cast discards qualifiers from pointer target type

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/create.c b/src/create.c
index dc09370..98678d8 100644
--- a/src/create.c
+++ b/src/create.c
@@ -221,7 +221,7 @@ typedef struct {
 static int
 closeness_cmp(const void *a, const void *b)
 {
-    CloseColor *x = (CloseColor *) a, *y = (CloseColor *) b;
+    const CloseColor *x = (const CloseColor *) a, *y = (const CloseColor *) b;
 
     /* cast to int as qsort requires */
     return (int) (x->closeness - y->closeness);