Add missing member NULLing for ws_array type
Add missing member NULLing for ws_set type
Add missing member NULLing for ws_string type
Add missing member NULLing for ws_wayland_obj type
Add missing member NULLing for ws_input_device type
Add missing member NULLing for ws_processor type
Add missing member NULLing for ws_cursor type
Add missing member NULLing for ws_framebuffer_device type
Add missing member NULLing for ws_monitor type
Add missing member NULLing for ws_monitor_mode type
Add missing member NULLing for ws_buffer type
Add missing member NULLing for ws_frame type
Add missing member NULLing for ws_image type
Add missing member NULLing for ws_wayland_buffer type
Add missing member NULLing for ws_wayland_client type
Add missing member NULLing for ws_wayland_pointer type
Add missing member NULLing for ws_wayland_region type
Add missing member NULLing for ws_wayland_shell_surface type
Add missing member NULLing for ws_wayland_surface type
Merge pull request #370 from matthiasbeyer/add-missing_function_callbacks

Add missing member NULLing for (hopefully) all types