Dispose of a previously-created font.
void TTF_CloseFont(TTF_Font *font);
the font to dispose of.
Call this when done with a font. This function will free any resources associated with it.
The font is not valid after being passed to this function. String pointers from functions that return information on this font, such as TTF_FontFaceFamilyName() and TTF_FontFaceStyleName(), are no longer valid after this call, as well.