Default thresholds not defined for lists in -x parameter (raised by Matt Garrett)

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@783 f882894a-f735-0410-b71e-b25c423dba1c

plugins/check_disk.c

@@ -393,6 +393,10 @@ process_arguments (int argc, char **argv)
 			se = (struct name_list *) malloc (sizeof (struct name_list));
 			se->name = optarg;
 			se->name_next = NULL;
+			se->w_df = 0;
+			se->c_df = 0;
+			se->w_dfp = -1.0;
+			se->c_dfp = -1.0;
 			*dptail = se;
 			dptail = &se->name_next;
 			break;