crtools: Remove duplicate show_single_file boolean

It duplicates the show_dump_file pointer.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>

cr-show.c

@@ -639,7 +639,7 @@ out:
 
 int cr_show(unsigned long pid, struct cr_options *opts)
 {
-	if (opts->show_single_file)
+	if (opts->show_dump_file)
 		return cr_parse_file(opts);
 
 	return cr_show_all(pid, opts);

crtools.c

@@ -303,7 +303,6 @@ int main(int argc, char *argv[])
 			opts.final_state = CR_TASK_LEAVE_RUNNING;
 			break;
 		case 'f':
-			opts.show_single_file = true;
 			opts.show_dump_file = optarg;
 			break;
 		case 'D':
@@ -335,7 +334,7 @@ int main(int argc, char *argv[])
 	}
 
 	if (!has_pid) {
-		if (action != 's' || !opts.show_single_file)
+		if (action != 's' || !opts.show_dump_file)
 			goto opt_pid_missing;
 	}
 

include/crtools.h

@@ -37,7 +37,6 @@ enum cr_task_final_state {
 struct cr_options {
 	bool				leader_only;
 	enum cr_task_final_state	final_state;
-	bool				show_single_file;
 	bool				show_pages_content;
 	char				*show_dump_file;
 };