Rename hb_buffer_get_len() to hb_buffer_get_length()
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 5c9d408..195ad34 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -159,7 +159,7 @@
 
 /* Return value valid as long as buffer not modified */
 unsigned int
-hb_buffer_get_len (hb_buffer_t *buffer);
+hb_buffer_get_length (hb_buffer_t *buffer);
 
 /* Return value valid as long as buffer not modified */
 hb_glyph_info_t *