draw/tess: free tessellation control shader i/o memory.

Fixes: 0d02a7b8ca (draw: add main tessellation code)

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4899>

src/gallium/auxiliary/draw/draw_tess.c

@@ -497,8 +497,11 @@ void draw_delete_tess_ctrl_shader(struct draw_context *draw,
       }
 
       assert(shader->variants_cached == 0);
+      align_free(dtcs->tcs_input);
+      align_free(dtcs->tcs_output);
    }
 #endif
+
    if (dtcs->state.ir.nir)
       ralloc_free(dtcs->state.ir.nir);
    FREE(dtcs);