graphics/mesa-devel: unbreak fetch after 18db2acd8def

> Fetched file size mismatch (expected 27698041, actual 27713042)

$ gzip -vl *mesa*29010669802*.tar.gz
method crc date time compressed uncompressed ratio uncompressed_name
-defla 1eef080f Jan 31 03:29 27698041 189952000 85.4% mesa3d-mesa-23.0-branchpoint-740-g29010669802_GH0.tar
+defla 1eef080f Jan 31 06:46 27713042 189952000 85.4% mesa3d-mesa-23.0-branchpoint-740-g29010669802_GH0.tar

-index 0a28dd7c0c5..2483b32add0 100644
+index 0a28dd7c0c57..2483b32add0e 100644