libpri: fatal error: dahdi/user.h: No such file or directory

[BKPepe]

Maintainer: @dangowrt
While checking OpenWrt faillogs, I found that libri is not compiled.

Env: OpenWrt daily snapshot, aarch64_cortex-a53
Log:

pridump.c:45:10: fatal error: dahdi/user.h: No such file or directory
   45 | #include <dahdi/user.h>
      |          ^~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [Makefile:192: pridump.o] Error 1
make[4]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libpri-1.6.0'
make[3]: *** [Makefile:61: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libpri-1.6.0/.built] Error 2
time: package/feeds/telephony/libpri/compile#16.26#1.54#19.59

Log is available here: https://downloads.openwrt.org/snapshots/faillogs/aarch64_cortex-a53/telephony/libpri/compile.txt