Add zm_monitor_onvif.cpp to CMakeLists.txt

src/CMakeLists.txt

@@ -38,6 +38,7 @@ set(ZM_BIN_SRC_FILES
   zm_monitor_rtsp2web.cpp
   zm_monitor_janus.cpp
   zm_monitor_amcrest.cpp
+  zm_monitor_onvif.cpp
   zm_monitorlink_expression.cpp
   #zm_monitorlink_token.cpp
   zm_monitorstream.cpp