leek: if lseek syscall is not available, use lseek64 even for !LFS
leek: if lseek syscall is not available, use lseek64 even for !LFS

With Busybox and uClibc - both built w/o LFS, this caused ash to be
completely broken, as lseek was simply returning error.

Signed-off-by: Vineet Gupta <af669d95a4c0de051445d4cafdbb2c5c4a2838be@synopsys.com>
Cc: Markos Chandras <5cdbcb0e11d2b5ebc39222958c54a1c6329d0c9d@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <ce1ac9e9ad16abccd7821f371ad381197b4768ac@gmail.com>

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc