main/lttng-ust: add gawk to checkdepends
Busybox awk was patched in 62d3d893 and this is now causing tap-driver.sh to have an "internal error in function report()" (more info: lttng-ust-2.13.6-r2.log on build.a.o)
Busybox awk was patched in 62d3d893 and this is now causing tap-driver.sh to have an "internal error in function report()" (more info: lttng-ust-2.13.6-r2.log on build.a.o)