regex: remove set but not used variable
regex: remove set but not used variable

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

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