espressif_bindings/Camera.c: fix type of framebuffer_count

Author: dhalbert

ports/espressif/bindings/espcamera/Camera.c

@@ -261,7 +261,7 @@ static mp_obj_t espcamera_camera_reconfigure(mp_uint_t n_args, const mp_obj_t *p
         args[ARG_grab_mode].u_obj != MP_ROM_NONE
         ?  validate_grab_mode(args[ARG_grab_mode].u_obj, MP_QSTR_grab_mode)
         : common_hal_espcamera_camera_get_grab_mode(self);
-    bool framebuffer_count =
+    mp_int_t framebuffer_count =
         args[ARG_framebuffer_count].u_obj != MP_ROM_NONE
         ?  mp_obj_get_int(args[ARG_framebuffer_count].u_obj)
         : common_hal_espcamera_camera_get_framebuffer_count(self);