capture-libs: Match GLESv2 ICDs correctly
To select SONAMES that match a glob pattern, we want to use the soname-match mode, not the soname mode.
Spotted by @LuigiPiucco on https://github.com/NixOS/nixpkgs/issues/100655.
Thanks: Luigi Sartor Piucco
Signed-off-by: Simon McVittie smcv@collabora.com