net/gcoap: retitle documentation group

Avoids confusion with generic CoAP and capitalization retains order in documentation.

net/gcoap: retitle documentation group
beae37cf · Ken Bannister · 34679948 · beae37cf
Commit beae37cf authored 6 years ago by Ken Bannister
--- a/sys/include/net/gcoap.h
+++ b/sys/include/net/gcoap.h
@@ -8,7 +8,7 @@
 */
 /**
- * @defgroup    net_gcoap  CoAP
+ * @defgroup    net_gcoap  Gcoap
 * @ingroup     net
 * @brief       High-level interface to CoAP messaging
 *