add contributor

62985600 · Seven Du · ce6a5bdf · 62985600
--- a/src/mod/applications/mod_sonar/mod_sonar.c
+++ b/src/mod/applications/mod_sonar/mod_sonar.c
@@ -24,6 +24,7 @@
 * Contributor(s):
 * 
 * William King <william.king@quentustech.com>
+ * Seven Du <dujinfang@gmail.com>
 *
 * mod_sonar.c -- Sonar ping timer
 *