Update freetype to the latest version of Android external/freetype

src/base/ftbitmap.c

Index: src/base/ftbitmap.c
diff --git a/src/base/ftbitmap.c b/src/base/ftbitmap.c
index 22ec337526acb5ebdbf2216c3e828ef673b35aff..84fa3227537a9922846a63811d02269d1b1f1481 100644
--- a/src/base/ftbitmap.c
+++ b/src/base/ftbitmap.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    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,       */
@@ -231,7 +231,7 @@
     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;
 
@@ -417,6 +417,10 @@
 
         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 ) )