Fix fcntl64 when UCLIBC_HAS_LFS is enabled, but __NR_fcntl64 is not defined.
Fix fcntl64 when UCLIBC_HAS_LFS is enabled, but __NR_fcntl64
is not defined.

gittup/uClibc,gittup/uClibc,m-labs/uclibc-lm32,atgreen/uClibc-moxie,ysat0/uClibc,hjl-tools/uClibc,klee/klee-uclibc,mephi42/uClibc,brgl/uclibc-ng,OpenInkpot-archive/iplinux-uclibc,czankel/xtensa-uclibc,ndmsystems/uClibc,ndmsystems/uClibc,klee/klee-uclibc,hjl-tools/uClibc,skristiansson/uClibc-or1k,foss-for-synopsys-dwc-arc-processors/uClibc,kraj/uClibc,ffainelli/uClibc,ndmsystems/uClibc,waweber/uclibc-clang,klee/klee-uclibc,kraj/uClibc,wbx-github/uclibc-ng,hjl-tools/uClibc,ffainelli/uClibc,ysat0/uClibc,foss-xtensa/uClibc,hwoarang/uClibc,ddcc/klee-uclibc-0.9.33.2,foss-for-synopsys-dwc-arc-processors/uClibc,klee/klee-uclibc,ysat0/uClibc,ffainelli/uClibc,kraj/uClibc,groundwater/uClibc,foss-xtensa/uClibc,OpenInkpot-archive/iplinux-uclibc,foss-xtensa/uClibc,m-labs/uclibc-lm32,majek/uclibc-vx32,brgl/uclibc-ng,ffainelli/uClibc,OpenInkpot-archive/iplinux-uclibc,brgl/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,hwoarang/uClibc,groundwater/uClibc,wbx-github/uclibc-ng,skristiansson/uClibc-or1k,groundwater/uClibc,waweber/uclibc-clang,hwoarang/uClibc,mephi42/uClibc,majek/uclibc-vx32,OpenInkpot-archive/iplinux-uclibc,ChickenRunjyd/klee-uclibc,m-labs/uclibc-lm32,ffainelli/uClibc,kraj/uClibc,hjl-tools/uClibc,wbx-github/uclibc-ng,czankel/xtensa-uclibc,groundwater/uClibc,ChickenRunjyd/klee-uclibc,wbx-github/uclibc-ng,gittup/uClibc,hjl-tools/uClibc,brgl/uclibc-ng,majek/uclibc-vx32,groundwater/uClibc,atgreen/uClibc-moxie,kraj/uclibc-ng,mephi42/uClibc,majek/uclibc-vx32,skristiansson/uClibc-or1k,kraj/uclibc-ng,mephi42/uClibc,waweber/uclibc-clang,kraj/uclibc-ng,czankel/xtensa-uclibc,ysat0/uClibc,kraj/uclibc-ng,czankel/xtensa-uclibc,foss-xtensa/uClibc,ChickenRunjyd/klee-uclibc,atgreen/uClibc-moxie,atgreen/uClibc-moxie,skristiansson/uClibc-or1k,m-labs/uclibc-lm32,ChickenRunjyd/klee-uclibc,ddcc/klee-uclibc-0.9.33.2,ddcc/klee-uclibc-0.9.33.2,ndmsystems/uClibc,waweber/uclibc-clang,foss-for-synopsys-dwc-arc-processors/uClibc,hwoarang/uClibc,ddcc/klee-uclibc-0.9.33.2,gittup/uClibc