The former was of type sal_uLong while the latter has been of (potentially
smaller) type sal_uInt32 ever since at least
a02e8af5 "INTEGRATION: CWS hedaburemove01", and
Printer::GetQueueInfo (vcl/source/gdi/print.cxx) assigns from the former to the
latter (so potentially truncates).

But it appears the only non-zero values ever stored in the former are
QUEUE_JOBS_DONTKNOW (defined as 0xFFFFFFFF in include/vcl/prntypes.hxx, fitting
into sal_uInt32) and Windows-specific PRINTER_INFO_2W::cJobs (in
WinSalInstance::GetPrinterQueueState, vcl/win/gdi/salprn.cxx), which is of
Windows type DWORD, i.e., unsigned 32-bit, compatible with sal_uInt32.

So change the former (and QUEUE_JOBS_DONTKNOW) to sal_uInt32, too.

Change-Id: I0cc993d26831313b362cc31ee06fd879c854d146
Reviewed-on: https://gerrit.libreoffice.org/67468
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>