global: fix libc constness warnings

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/filter.c b/filter.c
index cb01d32..c778d05 100644
--- a/filter.c
+++ b/filter.c
@@ -402,7 +402,7 @@ static const struct {
 
 struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype)
 {
-	char *colon;
+	const char *colon;
 	int i;
 	size_t len;
 	int argument_count;