AISDatabaseParser.cc: Replaced calls to getLineNumber and xmlSAX2GetLineNumber with calls to one or the other depending on the library version. In some places the SAX2 API was used exclusivele, in others the old API was used. The changes mean the new API will always be used OR the old API will always be used, depending on library version.
AISDatabaseParser.cc: Replaced calls to getLineNumber and xmlSAX2GetLineNumber
with calls to one or the other depending on the library version.
In some places the SAX2 API was used exclusivele, in others the old API
was used. The changes mean the new API will always be used OR the old
API will always be used, depending on library version.

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