disas/m68k: Replace sprintf() by snprintf()

sprintf() is deprecated on Darwin since macOS 13.0 / XCode 14.1,
resulting in painful developper experience. Use snprintf() instead.

Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
Reviewed-by: Peter Maydell <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>

Author: philmd

disas/m68k.c

@@ -1000,7 +1000,7 @@ print_indexed (int basereg,
 
   /* Generate the text for the index register.
      Where this will be output is not yet determined.  */
-  sprintf (buf, "%s:%c%s",
+  snprintf(buf, sizeof(buf), "%s:%c%s",
 	   reg_names[(word >> 12) & 0xf],
 	   (word & 0x800) ? 'l' : 'w',
 	   scales[(word >> 9) & 3]);