Fix the following riscv build failure with uclibc-ng < 1.0.43 raised since bump to version 2.1.6 in commit47b6737e84and https://github.com/zlib-ng/zlib-ng/commit/6ff8b52cefe56a824fae1d53fdd687bcde2e53c9: /home/autobuild/autobuild/instance-2/output-1/build/zlib-ng-2.1.6/arch/riscv/riscv_features.c:4:10: fatal error: sys/auxv.h: No such file or directory 4 | #include <sys/auxv.h> | ^~~~~~~~~~~~ Fixes:47b6737e84- http://autobuild.buildroot.org/results/06a7d8e59ec4de7c711d3f4a4624f67b97d78afe Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>