Profinet viewer, option -h added, and macaddress viewed with colon

profibus/exe/profinet_viewer/gtk/profinet_viewer_gtk.cpp

@@ -94,7 +94,11 @@ int main( int argc, char *argv[])
   CoXHelpGtk::set_default( xhelp);
 
   for ( i = 1; i < argc; i++) {
-    if ( strcmp( argv[i], "-l") == 0) {
+    if ( strcmp( argv[i], "-h") == 0) {
+      usage();
+      exit(0);
+    }
+    else if ( strcmp( argv[i], "-l") == 0) {
       if ( i+1 >= argc) {
 	usage();
 	exit(0);

profibus/exe/profinet_viewer/src/pn_viewernav.cpp

@@ -829,7 +829,7 @@ ItemDevice::ItemDevice( PnViewerNav *item_viewernav, const char *item_name,
   memcpy( macaddress, item_macaddress, sizeof(macaddress));
   sprintf( ipaddress_str, "%hhu.%hhu.%hhu.%hhu", 
 	   item_ipaddress[3], item_ipaddress[2], item_ipaddress[1], item_ipaddress[0]);
-  sprintf( macaddress_str, "%02hhX-%02hhX-%02hhX-%02hhX-%02hhX-%02hhX", 
+  sprintf( macaddress_str, "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX", 
 	   item_macaddress[5], item_macaddress[4], item_macaddress[3], 
 	   item_macaddress[2], item_macaddress[1], item_macaddress[0]);
   sprintf( deviceid_str, "%d", deviceid);