We have to use void in a function declaration if we want no function
parameters. Using just empty parenthesis means the function takes an
unspecified number of parameters.
We had it correct for most declarations and this series fixes it for
the rest.
Eina_Bool evas_xlib_image_get_buffers(RGBA_Image *im);
void evas_xlib_image_buffer_unmap(Evas_DRI_Image *exim);
Eina_Bool evas_xlib_image_dri_init(Evas_DRI_Image *exim, Display *display);
-Eina_Bool evas_xlib_image_dri_used();
+Eina_Bool evas_xlib_image_dri_used(void);
void *evas_xlib_image_dri_native_set(void *data, void *image, void *native);