changes the hdf5 URL to the permanent URL instead of relying on 'current'

Dockerfile

@@ -25,7 +25,7 @@ RUN cd /build && curl -O http://zlib.net/zlib-${ZLIB_VERSION}.tar.gz
 RUN cd /build && curl -O https://www.hdfgroup.org/ftp/lib-external/jpeg/src/jpegsrc.v${JPEG_VERSION}.tar.gz
 RUN cd /build && curl -O https://www.hdfgroup.org/ftp/lib-external/szip/${SZIP_VERSION}/src/szip-${SZIP_VERSION}.tar.gz
 RUN cd /build && curl -O http://www.hdfgroup.org/ftp/HDF/releases/HDF${HDF4_VERSION}/src/hdf-${HDF4_VERSION}.tar.gz
-RUN cd /build && curl -O http://www.hdfgroup.org/ftp/HDF5/current/src/hdf5-${HDF5_VERSION}.tar.gz
+RUN cd /build && curl -O https://www.hdfgroup.org/ftp/HDF5/releases/hdf5-${HDF5_VERSION}/src/hdf5-${HDF5_VERSION}.tar.gz
 RUN cd /build && curl -O ftp://ftp.unidata.ucar.edu/pub/netcdf/netcdf-${NC4C_VERSION}.tar.gz
 RUN cd /build && curl -O ftp://ftp.unidata.ucar.edu/pub/netcdf/netcdf-fortran-${NC4F_VERSION}.tar.gz