Add check-files.py to all.sh
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 6f2bfad..9b6c655 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -391,6 +391,10 @@
 msg "test: doxygen markup outside doxygen blocks" # < 1s
 tests/scripts/check-doxy-blocks.pl
 
+msg "test: check-files.py" # < 1s
+cleanup
+tests/scripts/check-files.py
+
 msg "test/build: declared and exported names" # < 3s
 cleanup
 tests/scripts/check-names.sh