Wrong type for media_list on OpenBSD.

The SIOCGIFMEDIA ioctl was changed in OpenBSD to take a uint64_t for ifm_ulist in this commit. Thus, the current code results in a buffer overflow.

I'm new to gitlab, so I don't know how to create a merge request. This would be a fix for the problem:

Cc @landry

diff --git panel-plugin/wormulon/if_media.c panel-plugin/wormulon/if_media.c
index 331cc49..4b3939e 100644
--- panel-plugin/wormulon/if_media.c
+++ panel-plugin/wormulon/if_media.c
@@ -36,7 +36,11 @@ int get_if_speed (char *ifstring)
     int speed=ERR_IFACE_NO_SPEED;
     int s; /* socket */
     struct ifmediareq ifmr;
+#if defined (__OpenBSD__)
+    uint64_t *media_list;
+#else
     int *media_list;
+#endif
     int type, physical;

     if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == NULL)
@@ -60,7 +64,7 @@ int get_if_speed (char *ifstring)
         return ERR_IFACE_NO_SPEED;
     }

-    media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
+    media_list = malloc(ifmr.ifm_count * sizeof(*media_list));
     if (media_list == NULL)
         fprintf(stderr, "malloc() error in if_media.c\n");
     ifmr.ifm_ulist = media_list;