Constify some arguments.

svn path=/trunk/; revision=24407

1 files changed, 1 insertions, 1 deletions

diff --git a/capture.h b/capture.h
index 25bbb9ab88..79084bd833 100644
--- a/capture.h
+++ b/capture.h
@@ -90,7 +90,7 @@ extern GList *capture_interface_list(int *err, char **err_str);
 /**
  * Fetch the linktype list for the specified interface from a child process.
  */
-extern GList *capture_pcap_linktype_list(char *devname, char **err_str);
+extern GList *capture_pcap_linktype_list(const char *devname, char **err_str);
 
 
 struct if_stat_cache_s;