package/xxhash: use MOREFLAGS instead of overriding CFLAGS
Set MOREFLAGS instead of overriding CFLAGS to avoid the following build
failure raised since commit 94b66fb49cd57d0863245fbe0a3dc0833e76aad0:
/home/autobuild/autobuild/instance-6/output-1/host/lib/gcc/x86_64-buildroot-linux-uclibc/11.3.0/../../../../x86_64-buildroot-linux-uclibc/bin/ld: /tmp/ccabb8cF.o: relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC
Fixes:
- http://autobuild.buildroot.org/results/953133575d8c13266f1450fa545e70e4a518508d
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Fabrice Fontaine