fix compile error on win

Zhao Yuhang

2023-12-22 0cedc474f38dca024f77ebf1d7ac5bf22c19744a

 src/widgets/CMakeLists.txt

@@ -15,9 +15,7 @@
if(WIN32)
    list(APPEND _src widgetwindowagent_win.cpp)
elseif(APPLE)
    list(APPEND _src widgetwindowagent_cocoa.cpp)
else()
    list(APPEND _src widgetwindowagent_qt.cpp)
    list(APPEND _src widgetwindowagent_mac.cpp)
endif()

qwk_add_library(${PROJECT_NAME} AUTOGEN