Fix leak
diff --git a/src/fcfreetype.c b/src/fcfreetype.c
index 461fbf9..22d651d 100644
--- a/src/fcfreetype.c
+++ b/src/fcfreetype.c
@@ -2170,6 +2170,7 @@
     } while (!err && (!index_set || face_num == set_face_num) && face_num < num_faces);
 
 bail:
+    free (mm_var);
     FcLangSetDestroy (ls);
     FcCharSetDestroy (cs);
     if (face)