[megatec] change model name RTMP I -> RTMP-I

modules/MegaTec/megatec.c

@@ -427,10 +427,10 @@ void ups_info_response(char *data)
         }
     } else {
         if (UPS.model[0] == 0) {
-            strcpy(UPS.model, "RTMP II");
+            strcpy(UPS.model, "RTMP-II");
             SNMP_SetObjDescr();
         } else {
-            strcpy(UPS.model, "RTMP II");
+            strcpy(UPS.model, "RTMP-II");
         }
     }
     data += (KSTAR_MODEL_LENGTH + 1);