Change of some struct/typedefs to give the IDE Hover Resolution
of the struct-definitions a chance
Fix compiler warning:
pointer targets in passing argument 1 of ‘g_strsplit’ differ in
signedness [-Wpointer-sign]
Fix 4 Compiler Warnings - removing const because following function
calls insist on non-const
passing argument 1 of ‘id3_tag_render’ discards ‘const’
qualifier from pointer target type [enabled by default]
Fix Compiler Warning
Unused declaration of function 'Create_Png_Icon_Factory'