New review comment by phossil on void-packages repository

https://github.com/void-linux/void-packages/pull/27250#discussion_r546225541

Comment:
I've been working on [gworkspace](https://github.com/phossil/void-packages/blob/gworkspace/srcpkgs/gworkspace/template) in the meantime and it might be necessary because the library is mentioned in the build log.
```shell
Making all in mdfind ...
Making all for tool mdfind...
 Compiling file mdfind.m ...
 Linking tool mdfind ...
Making all in Preferences ...
Making all for bundle MDIndexing...
 Creating MDIndexing.prefPane/....
 Compiling file MDIndexing.m ...
 Compiling file CategoriesEditor.m ...
 Compiling file CategoryView.m ...
 Compiling file StartAppWin.m ...
In file included from MDIndexing.m:26:
MDIndexing.h:31:11: fatal error: PreferencePanes/PreferencePanes.h: No such file or directory
   31 |   #import <PreferencePanes/PreferencePanes.h>
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
distcc[6062] ERROR: compile MDIndexing.m on localhost failed
In file included from CategoriesEditor.m:28:
MDIndexing.h:31:11: fatal error: PreferencePanes/PreferencePanes.h: No such file or directory
   31 |   #import <PreferencePanes/PreferencePanes.h>
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[5]: *** [/usr/share/GNUstep/Makefiles/rules.make:515: obj/MDIndexing.obj/MDIndexing.m.o] Error 1
make[5]: *** Waiting for unfinished jobs....
distcc[6066] ERROR: compile CategoriesEditor.m on localhost failed
make[5]: *** [/usr/share/GNUstep/Makefiles/rules.make:515: obj/MDIndexing.obj/CategoriesEditor.m.o] Error 1
make[4]: *** [/usr/share/GNUstep/Makefiles/Instance/bundle.make:193: internal-bundle-run-compile-submake] Error 2
make[3]: *** [/usr/share/GNUstep/Makefiles/Master/rules.make:297: MDIndexing.all.bundle.variables] Error 2
make[2]: *** [/usr/share/GNUstep/Makefiles/Master/bundle.make:37: internal-all] Error 2
make[1]: *** [/usr/share/GNUstep/Makefiles/Master/serial-subdirectories.make:53: internal-all] Error 2
make: *** [/usr/share/GNUstep/Makefiles/Master/serial-subdirectories.make:53: internal-all] Error 2
=> ERROR: gworkspace-0.9.4_1: do_build: '${make_cmd} ${makejobs} ${make_build_args} ${make_build_target}' exited with 2
=> ERROR:   in do_build() at common/build-style/gnu-configure.sh:13
phossil in void-packages on  gworkspace [!] took 3m22s ✗ 
```