Crash in OnMenuPrint

[kjk]

Seen in 3.4.3

sumatrapdf.exe!OnMenuPrint+0x5fd C:\Users\kjk\src\sumatrapdf\src\Print.cpp+824 sumatrapdf.exe!FrameOnCommand+0x3be C:\Users\kjk\src\sumatrapdf\src\SumatraPDF.cpp+4421 sumatrapdf.exe!WndProcSumatraFrame+0x45b C:\Users\kjk\src\sumatrapdf\src\SumatraPDF.cpp+5010

Exception: C0000005 ACCESS_VIOLATION
Faulting IP: 00007FF6FC631729 01:0000000000040729 sumatrapdf.exe!OnMenuPrint+0x5fd C:\Users\kjk\src\sumatrapdf\src\Print.cpp+824
Fault reading address FFFFFFFFFFFFFFFF

    } else if (!(pdex.Flags & PD_PAGENUMS)) {
        PRINTPAGERANGE pr = {1, (DWORD)dm->PageCount()};

Seems to crash in dm->PageCount(). Strange because we check for that.

Also strange because Fault reading address FFFFFFFFFFFFFFFF