Removed broken refs to fix -nix build

src/config.c

@@ -1807,7 +1807,7 @@ load_keybinds(void)
 	{
 		p = ini_section_get_string(cat, acc_keys[x].name, "none");
 		// If there's no binding in the file, leave it alone.
-		if (p != "none")
+		if (strcmp(p, "none") != 0)
 		{
 			// It would be ideal to validate whether the user entered a
 			// valid combo at this point, but the Qt method for testing that is
@@ -2553,7 +2553,6 @@ static void
 save_keybinds(void)
 {
     ini_section_t cat = ini_find_or_create_section(config, "Keybinds");
-    char          temp[512];
 
 	for(int x=0;x<NUM_ACCELS;x++)
 	{

src/include/86box/keyboard.h

@@ -283,7 +283,6 @@ extern int      keyboard_isfsenter(void);
 extern int      keyboard_isfsenter_up(void);
 extern int      keyboard_isfsexit(void);
 extern int      keyboard_isfsexit_up(void);
-extern int      keyboard_ismsexit(void);
 extern void     keyboard_set_is_amstrad(int ams);
 extern void     kbc_at_set_ps2(void *priv, uint8_t ps2);
 extern void     kbc_at_write_p(void *priv, uint8_t port, uint8_t mask, uint8_t val);

src/unix/unix.c

@@ -1338,9 +1338,6 @@ main(int argc, char **argv)
                     }
             }
         }
-        if (mouse_capture && keyboard_ismsexit()) {
-            plat_mouse_capture(0);
-        }
         if (blitreq) {
             extern void sdl_blit(int x, int y, int w, int h);
             sdl_blit(params.x, params.y, params.w, params.h);