Fix DNS grouping

Seppo Takalo · Seppo Takalo · commit db673324960c · 2019-01-21T11:45:12.000+02:00
diff --git a/features/netsocket/DNS.h b/features/netsocket/DNS.h
@@ -15,7 +15,7 @@
  */
 
 /** @file DNS.h Domain Name Service */
-/** @\addtogroup netsocket
+/** @addtogroup netsocket
  * @{ */
 
 #ifndef DNS_H
