lc3: fix pkg-config file lookup
There's a mismatch between the pkg-config file ('lc3') and the subproject/wrap which meant an installed liblc3 wasn't picked up.
Fixes #2883 (closed)
There's a mismatch between the pkg-config file ('lc3') and the subproject/wrap which meant an installed liblc3 wasn't picked up.
Fixes #2883 (closed)