fix tcp name (#1032)

Author: larshp

src/tcp/cl_apc_tcp_client_manager.clas.locals_imp.abap

@@ -74,7 +74,7 @@ CLASS lcl_client IMPLEMENTATION.
   ENDMETHOD.
 
   METHOD if_apc_wsp_client~get_message_manager.
-    ri_manager = me.
+    r_message_manager = me.
   ENDMETHOD.
 
   METHOD if_apc_wsp_message_manager~create_message.

src/tcp/if_apc_wsp_client.intf.abap

@@ -9,7 +9,7 @@ INTERFACE if_apc_wsp_client PUBLIC.
 
   METHODS get_message_manager
     RETURNING
-      VALUE(ri_manager) TYPE REF TO if_apc_wsp_message_manager
+      VALUE(r_message_manager) TYPE REF TO if_apc_wsp_message_manager
     RAISING
       cx_apc_error.
 ENDINTERFACE.