pkg-config: make comment clearer for non-natives

Suggested-by: Jörg Thalheim <joerg@thalheim.io>

pkgs/build-support/pkg-config-wrapper/pkg-config-wrapper.sh

@@ -18,6 +18,6 @@ if (( ${#role_suffixes[@]} > 0 )); then
     # replace env var with nix-modified one
     PKG_CONFIG_PATH=$PKG_CONFIG_PATH_@suffixSalt@ exec @prog@ "$@"
 else
-    # pkg-config isn't a bonafied dependency so ignore setup hook entirely
+    # pkg-config isn't a real dependency so ignore setup hook entirely
     exec @prog@ "$@"
 fi