commit a994381

output: Initialize cursor plane

Somehow forgot to commit this when adding cursor planes.

 1@@ -103,6 +103,12 @@ bool swc_output_initialize(struct swc_output * output, struct swc_drm * drm,
 2         goto error_base;
 3     }
 4 
 5+    if (!swc_plane_initialize(&output->cursor_plane, &swc_cursor_plane, output))
 6+    {
 7+        printf("failed to initialize cursor plane\n");
 8+        goto error_base;
 9+    }
10+
11     return true;
12 
13   error_base: