* src/sfnt/ttload.c (tt_face_load_name): NULL-initialize langTag.

Another attempt to fix fallout reported as
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40024

src/sfnt/ttload.c

@@ -939,6 +939,9 @@
             /* invalid entry; ignore it */
             entry->stringLength = 0;
           }
+
+          /* mark the string as not yet loaded */
+          entry->string = NULL;
         }
       }