Make source more digestable for gobject-introspection
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index fe53197..73adc2e 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -40,9 +40,9 @@
 HB_BEGIN_DECLS
 
 
-typedef struct _hb_buffer_t hb_buffer_t;
+typedef struct hb_buffer_t hb_buffer_t;
 
-typedef struct _hb_glyph_info_t {
+typedef struct hb_glyph_info_t {
   hb_codepoint_t codepoint;
   hb_mask_t      mask;
   uint32_t       cluster;
@@ -52,7 +52,7 @@
   hb_var_int_t   var2;
 } hb_glyph_info_t;
 
-typedef struct _hb_glyph_position_t {
+typedef struct hb_glyph_position_t {
   hb_position_t  x_advance;
   hb_position_t  y_advance;
   hb_position_t  x_offset;