Crossreferences Sv added to signal crr (refs #34)

xtt/lib/xtt/src/xtt_item.cpp

@@ -561,6 +561,9 @@ int ItemBaseObject::open_crossref( XNavBrow *brow, double x, double y)
       case pwr_cClass_Ii:
       case pwr_cClass_Io:
       case pwr_cClass_Co:
+      case pwr_cClass_Sv:
+      case pwr_cClass_ATv:
+      case pwr_cClass_DTv:
         sts = xnav_crr_signal( brow, file, name, node);
         break;
       default:

xtt/lib/xtt/src/xtt_xnav_command.cpp

@@ -5010,6 +5010,9 @@ static int	xnav_crossref_func(	void		*client_data,
       case pwr_cClass_Ii:
       case pwr_cClass_Io:
       case pwr_cClass_Co:
+      case pwr_cClass_Sv:
+      case pwr_cClass_ATv:
+      case pwr_cClass_DTv:
 	if ( !file_ptr) {
 	  strcpy( file_str, "*");
 	  file_ptr = file_str;