* src/sfnt/sfwoff2 (reconstruct_font): Fix reallocation.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17966

ChangeLog

@@ -1,3 +1,11 @@
+2019-10-03  Werner Lemberg  <wl@gnu.org>
+
+	* src/sfnt/sfwoff2 (reconstruct_font): Fix reallocation.
+
+	Reported as
+
+	  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17966
+
 2019-10-01  Alexei Podtelezhnikov  <apodtele@gmail.com>
 
 	* src/base/ftstroke.c (ft_stroker_inside): Speed up.

src/sfnt/sfwoff2.c

@@ -1706,6 +1706,9 @@
     if ( !error )
       error = FT_THROW( Invalid_Table );
 
+    /* Set pointer of sfnt stream to its correct value. */
+    *sfnt_bytes = sfnt;
+
     FT_FREE( table_entry );
     FT_Stream_Close( stream );
     FT_FREE( stream );