add an entry about __fputc_unlocked link errors
add an entry about __fputc_unlocked link errors

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