(mdraw_glyph_list): Unref gstring->top at the tail.

diff --git a/src/draw.c b/src/draw.c
index 95aa944..833faee 100644 (file)
--- a/src/draw.c
+++ b/src/draw.c
@@ -2662,6 +2662,8 @@ mdraw_glyph_list (MFrame *frame, MText *mt, int from, int to,
        }
       n++;
     }
+  M17N_OBJECT_UNREF (gstring->top);
+
   *num_glyphs_return = n;
   return (n <= array_size ? 0 : -1);
 }