Removed some MCStringGetCString() calls
Updates to run on Mac and compile on mobile
Removed MCStringGetCString() calls from MCLegacyExecDoMenu() and MCLogicalFontTableSave() methods
Removed MCStringGetCString() call from MCScreenDC::setbeepsound() method
Removed MCStringGetCString() call from MCPSMetaContext::setfont() method
Fixed conflicts
Merge remote-tracking branch 'upstream/refactor-syntax_unicode' into refactor-syntax_unicode_GetCorOldString1
Removed a MCStringGetCString() call from MCCoreImageEffectBegin() method
added something I forgot before (updated a counter)
Merge remote-tracking branch 'upstream/refactor-syntax_unicode' into refactor-syntax_unicode_GetCorOldString1
Updates after Seb's feedback
Merge remote-tracking branch 'upstream/refactor-syntax_unicode' into refactor-syntax_unicode_GetCorOldString1

Conflicts:
	engine/src/osxcoreimage.cpp
	engine/src/stacke.cpp

Fixed conflicts in osxcoreimage.cpp and stacke.cpp
Merge branch 'refactor-syntax_unicode_GetCorOldString1' into refactor-syntax_unicode