package/apitrace: fix build with glibc >= 2.34

package/apitrace: fix build with glibc >= 2.34

Fix the following build failure with glibc >= 2.34:

/tmp/instance-0/output-1/host/lib/gcc/s390x-buildroot-linux-gnu/10.3.0/../../../../s390x-buildroot-linux-gnu/bin/ld: CMakeFiles/egltrace.dir/dlsym.cpp.o: in function `dlsym':
dlsym.cpp:(.text+0x34): undefined reference to `__libc_dlopen_mode'
/tmp/instance-0/output-1/host/lib/gcc/s390x-buildroot-linux-gnu/10.3.0/../../../../s390x-buildroot-linux-gnu/bin/ld: dlsym.cpp:(.text+0x46): undefined reference to `__libc_dlsym'

Fixes:
 - http://autobuild.buildroot.org/results/ac5e5b1e30249ae0fb8b9179338b47c60c026bcc

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>