Update freetype to the latest version of Android external/freetype

src/base/ftbitmap.c

 /***************************************************************************/
 /*                                                                         */
 /*  ftbitmap.c                                                             */
 /*                                                                         */
 /*    FreeType utility functions for bitmaps (body).                       */
 /*                                                                         */
-/*  Copyright 2004, 2005, 2006, 2007, 2008, 2009 by                        */
+/*  Copyright 2004-2009, 2011 by                                           */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
 /*  modified, and distributed under the terms of the FreeType project      */
 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
 /*  this file you indicate that you have read the license and              */
 /*  understand and accept it fully.                                        */
 /*                                                                         */
 /***************************************************************************/
 
@@ skipping 206 matching lines @@
 
     if ( !library )
       return FT_Err_Invalid_Library_Handle;
 
     if ( !bitmap || !bitmap->buffer )
       return FT_Err_Invalid_Argument;
 
     if ( ( ( FT_PIX_ROUND( xStrength ) >> 6 ) > FT_INT_MAX ) ||
          ( ( FT_PIX_ROUND( yStrength ) >> 6 ) > FT_INT_MAX ) )
       return FT_Err_Invalid_Argument;
-       
+
     xstr = (FT_Int)FT_PIX_ROUND( xStrength ) >> 6;
     ystr = (FT_Int)FT_PIX_ROUND( yStrength ) >> 6;
 
     if ( xstr == 0 && ystr == 0 )
       return FT_Err_Ok;
     else if ( xstr < 0 || ystr < 0 )
       return FT_Err_Invalid_Argument;
 
     switch ( bitmap->pixel_mode )
     {
@@ skipping 165 matching lines @@
         pad = 0;
         if ( alignment > 0 )
         {
           pad = source->width % alignment;
           if ( pad != 0 )
             pad = alignment - pad;
         }
 
         target->pitch = source->width + pad;
 
+        if ( target->pitch > 0                                     &&
+             (FT_ULong)target->rows > FT_ULONG_MAX / target->pitch )
+          return FT_Err_Invalid_Argument;
+
         if ( target->rows * target->pitch > old_size             &&
              FT_QREALLOC( target->buffer,
                           old_size, target->rows * target->pitch ) )
           return error;
       }
       break;
 
     default:
       error = FT_Err_Invalid_Argument;
     }
@@ skipping 224 matching lines @@
     memory = library->memory;
 
     FT_FREE( bitmap->buffer );
     *bitmap = null_bitmap;
 
     return FT_Err_Ok;
   }
 
 
 /* END */