Add support for GNU/kFreeBSD

Change the ifdefery to use existing code to support GNU/kFreeBSD.

Fixes bug 3043.

README

@@ -10,6 +10,7 @@ Following operating systems are supported:
  * Sun Solaris
  * HP_UX
  * MacOS X
+ * GNU/kFreeBSD
 
 I have only Linux installed so I can test only on Linux. If you encounter any
 problems on other operating systems (or on Linux, of course) feel free to send

panel-plugin/net.c

@@ -46,7 +46,7 @@
 #elif __APPLE__
 # include "src/macos.h"
 # include "src/macos.c"
-#elif __FreeBSD__ || __DragonFly__
+#elif __FreeBSD__ || __DragonFly__ || __FreeBSD_kernel__
 # include "wormulon/freebsd.h"
 # include "wormulon/freebsd.c"
 #elif __linux__

panel-plugin/net.h

@@ -65,7 +65,7 @@ typedef struct
 #ifdef __HPUX__
     int             wait_pcks_counter;
     nmapi_logstat*  if_ptr;
-#elif __FreeBSD__ || __DragonFly__
+#elif __FreeBSD__ || __DragonFly__ || __FreeBSD_kernel__
     int             watchif;
     int             dev_opened;
 #elif __NetBSD__

panel-plugin/os.h

@@ -96,7 +96,7 @@
 #  include <arpa/inet.h>
 #  include <net/ppp_layer/ppp_defs.h>
 #  include <net/ppp/if_ppp.h>
-#elif __FreeBSD__           /* F R E E B S D */
+#elif __FreeBSD__ || __FreeBSD_kernel__           /* F R E E B S D */
 #  include <stdio.h>
 #  include <stdlib.h>
 #  include <stdarg.h>