This will fix an issue building qgis.
* gnu/packages/maths.scm (netcdf): Update to 4.7.4.
[source]: Remove the netcdf-tst_h_par.patch, also change the naming of the
source tarball, as the name seems to have changed for recent releases.
[inputs]: Update hdf5 and add curl.
* gnu/packages/patches/netcdf-tst_h_par.patch: Delete.
* gnu/local.mk (dist_patch_DATA): Remove deleted patch.