[freetype2] master 842ec5e: meson.build (gen_docs): Use `current_source_dir` instead of `source_root`.

[Werner Lemberg]

branch: master
commit 842ec5ed623724f2139525a3ac11539994fd6b32
Author: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
Commit: Werner Lemberg <wl@gnu.org>

    meson.build (gen_docs): Use `current_source_dir` instead of `source_root`.
    
    These two are not equal when FreeType is used as a subproject, such as in
    `freetype-demos`.  In that case, `source_root` points at the root project,
    causing the docs build to fail.
---
 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index 5efb33d..97f3099 100644
--- a/meson.build
+++ b/meson.build
@@ -391,7 +391,7 @@ gen_docs = custom_target('freetype2 reference 
documentation',
   command: [python_exe,
     files('builds/meson/generate_reference_docs.py'),
     '--version=' + meson.project_version(),
-    '--input-dir=' + meson.source_root(),
+    '--input-dir=' + meson.current_source_dir(),
     '--output-dir=@OUTPUT@'
   ],
 )