linux: pread: fix __NR___syscall_pread define
linux: pread: fix __NR___syscall_pread define

We set up __NR_pread to be the right value, but the code then uses
__NR_pread64 all the time.  Fix it to use __NR_pread as we intended.

Signed-off-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@gentoo.org>

ndmsystems/uClibc,ndmsystems/uClibc,ndmsystems/uClibc,ndmsystems/uClibc