Add ftmm.c to FreeType build.

freetype.gyp

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'conditions': [
     [ 'OS == "android"', {
       'targets': [
         {
           'target_name': 'ft2',
           'type': 'static_library',
           'toolsets': ['target'],
           'sources': [
             # The following files are not sorted alphabetically, but in the
             # same order as in Android.mk to ease maintenance.
             'src/base/ftbbox.c',
             'src/base/ftbitmap.c',
             'src/base/ftfstype.c',
             'src/base/ftglyph.c',
             'src/base/ftlcdfil.c',
             'src/base/ftstroke.c',
             'src/base/fttype1.c',
             'src/base/ftxf86.c',
             'src/base/ftbase.c',
             'src/base/ftsystem.c',
             'src/base/ftinit.c',
             'src/base/ftgasp.c',
+            'src/base/ftmm.c',
             'src/gzip/ftgzip.c',
             'src/raster/raster.c',
             'src/sfnt/sfnt.c',
             'src/smooth/smooth.c',
             'src/autofit/autofit.c',
             'src/truetype/truetype.c',
             'src/cff/cff.c',
             'src/psnames/psnames.c',
             'src/pshinter/pshinter.c',
           ],
@@ skipping 12 matching lines @@
           'direct_dependent_settings': {
             'include_dirs': [
               '../../third_party/freetype/include',
             ],
           },
         },
       ],
     }],
   ],
 }