Mark SDL2_ttf as up to date with v2.24.0

Author: suve

units/sdl2_ttf.pas

@@ -74,7 +74,7 @@ interface
 {* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL *}
 const
   SDL_TTF_MAJOR_VERSION = 2;
-  SDL_TTF_MINOR_VERSION = 21;
+  SDL_TTF_MINOR_VERSION = 24;
   SDL_TTF_PATCHLEVEL    = 0;
 
 procedure SDL_TTF_VERSION(Out X: TSDL_Version);