Modified DEBIAN/control to use libcurl4-openssl-dev as a dependency.
Modified DEBIAN/control to use libcurl4-openssl-dev as a dependency.

Not sure why this was not working before.
[ci skip]

OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4