Fix Visual Studio warnings

[thexai]

Description

Fix Visual Studio warnings

Motivation and context

18:11:11 C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.34.31933\include\memory(3433,56): warning C4244: 'argument': conversion from '_Ty' to 'float', possible loss of data [C:\jenkins-workspace\workspace\WIN-64\kodi-build.x64\libkodi.vcxproj]
18:11:11           with
18:11:11           [
18:11:11               _Ty=int
18:11:11           ] (compiling source file C:\jenkins-workspace\workspace\WIN-64\xbmc\rendering\RenderSystem.cpp)
18:11:11 C:\jenkins-workspace\workspace\WIN-64\xbmc\rendering\RenderSystem.cpp(70,1): message : see reference to function template instantiation 'std::unique_ptr<CGUIImage,std::default_delete<CGUIImage>> std::make_unique<CGUIImage,int,int,int,int,int,int,CTextureInfo,0>(int &&,int &&,int &&,int &&,int &&,int &&,CTextureInfo &&)' being compiled [C:\jenkins-workspace\workspace\WIN-64\kodi-build.x64\libkodi.vcxproj]

18:11:28 C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.34.31933\include\memory(3433,56): warning C4244: 'argument': conversion from '_Ty' to 'float', possible loss of data [C:\jenkins-workspace\workspace\WIN-64\kodi-build.x64\libkodi.vcxproj]
18:11:28           with
18:11:28           [
18:11:28               _Ty=int
18:11:28           ] (compiling source file C:\jenkins-workspace\workspace\WIN-64\xbmc\windows\GUIWindowSplash.cpp)
18:11:28 C:\jenkins-workspace\workspace\WIN-64\xbmc\windows\GUIWindowSplash.cpp(34,1): message : see reference to function template instantiation 'std::unique_ptr<CGUIImage,std::default_delete<CGUIImage>> std::make_unique<CGUIImage,int,int,int,int,int,int,CTextureInfo,0>(int &&,int &&,int &&,int &&,int &&,int &&,CTextureInfo &&)' being compiled [C:\jenkins-workspace\workspace\WIN-64\kodi-build.x64\libkodi.vcxproj]

How has this been tested?

Build Windows x64

What is the effect on users?

none

Screenshots (if appropriate):

Types of change

• Bug fix (non-breaking change which fixes an issue)
• Clean up (non-breaking change which removes non-working, unmaintained functionality)
• Improvement (non-breaking change which improves existing functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that will cause existing functionality to change)
• Cosmetic change (non-breaking change that doesn't touch code)
• Student submission (PR was done for educational purposes and will be treated as such)
• None of the above (please explain below)

Checklist:

• My code follows the Code Guidelines of this project
• My change requires a change to the documentation, either Doxygen or wiki
• I have updated the documentation accordingly
• I have read the Contributing document
• I have added tests to cover my change
• All new and existing tests passed

[thexai]

Jenkins build and merge