Fixed findings

List of Findings

Error: COMPILER_WARNING (CWE-195): [#def1]
deepin-qt5platform-plugins-5.6.32-build/qt5platform-plugins-5.6.32/wayland/dwayland/dwaylandinterfacehook.cpp: scope_hint: In static member function ‘static bool deepin_platform_plugin::DWaylandInterfaceHook::supportForSplittingWindowByType(quint32, quint32)’
deepin-qt5platform-plugins-5.6.32-build/qt5platform-plugins-5.6.32/wayland/dwayland/dwaylandinterfacehook.cpp:189:66: warning[-Wsign-compare]: comparison of integer expressions of different signedness: ‘int’ and ‘quint32’ {aka ‘unsigned int’}
#  189 |     return window->property(::supportForSplittingWindow).toInt() >= screenSplittingType;
#      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
#  187|           return false;
#  188|       DNoTitlebarWlWindowHelper::setWindowProperty(window, ::supportForSplittingWindow, false);
#  189|->     return window->property(::supportForSplittingWindow).toInt() >= screenSplittingType;
#  190|   }
#  191|   

Error: COMPILER_WARNING (CWE-563): [#def2]
deepin-qt5platform-plugins-5.6.32-build/qt5platform-plugins-5.6.32/wayland/wayland-shell/config.tests/deepin-kwin-test/main.cpp: scope_hint: In function ‘int main()’
deepin-qt5platform-plugins-5.6.32-build/qt5platform-plugins-5.6.32/wayland/wayland-shell/config.tests/deepin-kwin-test/main.cpp:13:49: warning[-Wunused-value]: statement has no effect
#   13 |     KWayland::Client::PlasmaShellSurface::Role::Override;
#      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
#   11|   int main()
#   12|   {
#   13|->     KWayland::Client::PlasmaShellSurface::Role::Override;
#   14|       return 0;
#   15|   }

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