Revert to using uClibc-specific c-symbol-prefix stuff (__C_SYMBOL_PREFIX__).
Revert to using uClibc-specific c-symbol-prefix stuff
(__C_SYMBOL_PREFIX__).

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