_vfprintf.c: de-obfuscate badly twisted fragment. no code changes.
_vfprintf.c: de-obfuscate badly twisted fragment. no code changes.

objdump confirms that I did not mess it up.

Signed-off-by: Denys Vlasenko <50fbbd36fe0f9c8261d4a3c762c8c29ffb35e48f@redhat.com>

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