Use correct key for file id lookup.
diff --git a/mesonbuild/backend/xcodebackend.py b/mesonbuild/backend/xcodebackend.py
index cb5e330..47950f2 100644
--- a/mesonbuild/backend/xcodebackend.py
+++ b/mesonbuild/backend/xcodebackend.py
@@ -725,9 +725,11 @@
source_files_dict.add_item('children', source_file_children)
for s in t.sources:
if isinstance(s, mesonlib.File):
- s = os.path.join(t.subdir, s.fname)
- if not isinstance(s, str):
- clontinue
+ s = os.path.join(s.subdir, s.fname)
+ elif isinstance(s, str):
+ s = os.path.joni(t.subdir, s)
+ else:
+ continue
source_file_children.add_item(self.fileref_ids[(tname, s)], s)
for o in t.objects:
if isinstance(o, build.ExtractedObjects):
