block/raw-win32: Fix compiler warnings (wrong format specifiers) Commit fbcad04d6bfdff937536eb23088a01a280a1a3af added fprintf statements with wrong format specifiers. GetLastError() returns a DWORD which is unsigned long, so %lu must be used. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>