flowtop: Constify function parameter in walk_process()

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 1 insertions, 1 deletions

diff --git a/flowtop.c b/flowtop.c
index 5a283f7..5f7b7d5 100644
--- a/flowtop.c
+++ b/flowtop.c
@@ -393,7 +393,7 @@ static void flow_list_destroy(struct flow_list *fl)
 	spinlock_destroy(&fl->lock);
 }
 
-static int walk_process(char *process, struct flow_entry *n)
+static int walk_process(const char *process, struct flow_entry *n)
 {
 	int ret;
 	DIR *dir;