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-rw-r--r--tap-protohierstat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tap-protohierstat.c b/tap-protohierstat.c
index f52dfca00e..ac3721a66d 100644
--- a/tap-protohierstat.c
+++ b/tap-protohierstat.c
@@ -166,11 +166,11 @@ protohierstat_draw(void *prs)
static void
-protohierstat_init(char *optarg)
+protohierstat_init(const char *optarg)
{
phs_t *rs;
int pos=0;
- char *filter=NULL;
+ const char *filter=NULL;
GString *error_string;
if(!strcmp("io,phs",optarg)){