cosmetic: rename mgcp_release_endp to mgcp_endp_release

In order to allow clean prefixes for future endpoint related
functions the "rlease" should be moved to the end of the
function name.

- rename mgcp_release_endp to mgcp_endp_release

Change-Id: I22e938e702f57ad76d38c9f4a1370b110ac1ba11
diff --git a/include/osmocom/mgcp/mgcp_ep.h b/include/osmocom/mgcp/mgcp_ep.h
index 2af4aee..ad5e28d 100644
--- a/include/osmocom/mgcp/mgcp_ep.h
+++ b/include/osmocom/mgcp/mgcp_ep.h
@@ -85,4 +85,5 @@
 /*! Extract endpoint number for a given endpoint */
 #define ENDPOINT_NUMBER(endp) abs((int)(endp - endp->tcfg->endpoints))
 
-void mgcp_release_endp(struct mgcp_endpoint *endp);
+void mgcp_endp_release(struct mgcp_endpoint *endp);
+