nptl: get rid of the last preprocessor warning when __ASSUME_TGKILL is not defined
nptl: get rid of the last preprocessor warning when __ASSUME_TGKILL is not defined

A missing change in the previous commit.

Signed-off-by: Carmelo Amoroso <532378793705a04edd56deb76ad8c0442834d55d@st.com>

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