Add additional search paths for SDL on MSVC

This fixes issue 14029. Thanks to Paul "TBBle" Hampson for reporting the issue
and a fix proposal.
Use different search path for SDL_sound

Project files in VisualC directory suggest that a win32lib will hold the
libraries. Thanks to Paul "TBBle" Hampson for reporting this.
Merge topic 'FixIssue14029' into next

dcd90ba Use different search path for SDL_sound
e7e4f05 Add additional search paths for SDL on MSVC