sysconf: clock_getres depends on HAS_REALTIME
sysconf: clock_getres depends on HAS_REALTIME

Bug was introduced in revision a202cf6f.

Signed-off-by: Bernhard Reutner-Fischer <ce1ac9e9ad16abccd7821f371ad381197b4768ac@gmail.com>

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