#25 [wxplotctrl] plotdata.cpp: sprintf format warning

[Peter Jansson]

A compiler warning is generated in the method
wxPlotData::LoadFile
where
wxString::Format(...%d...)
is used with a long integer in the argument list.

The attached patch uses %ld instead of %d.

[Peter Jansson]

Patch to use %ld instead of %d.

[John Labenski]

Fixed, thanks.