Fix hard-to-rigger locking bug in vsyslog(): SIGPIPE handler was attempting to re-acquire an already taken lock. While at it, stop checking for sigaction failure which is not possible here. Sizes:
Fix hard-to-rigger locking bug in vsyslog():
SIGPIPE handler was attempting to re-acquire an already taken lock.
While at it, stop checking for sigaction failure which is not possible here.
Sizes:

    text           data     bss     dec     hex filename
-   1123             13       2    1138     472 libc/misc/syslog/syslog.o
+   1112             13       2    1127     467 libc/misc/syslog/syslog.o

Run tested.


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