Add _dl_boot() prototype.
Add _dl_boot() prototype.

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