[NaCl SDK] Don't copy .h files to src in SDK.

native_client_sdk/src/build_tools/make_rules.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 
 #
 # Default macros for various platforms.
 #
 NEWLIB_DEFAULTS = """
@@ skipping 24 matching lines @@
 PNACL_CCFLAGS?=-O0 -g -pthread $(NACL_WARNINGS)
 PNACL_LDFLAGS?=-g -pthread
 TRANSLATE:=$(TC_PATH)/$(OSNAME)_x86_pnacl/newlib/bin/pnacl-translate
 """
 
 WIN_DEFAULTS = """
 WIN_CC?=cl.exe
 WIN_CXX?=cl.exe
 WIN_LINK?=link.exe
 WIN_LIB?=lib.exe
-WIN_CCFLAGS=/I$(NACL_SDK_ROOT)/include -D WIN32 -D _WIN32
+WIN_CCFLAGS=/I$(NACL_SDK_ROOT)/include /I$(NACL_SDK_ROOT)/include/win -D WIN32 -D _WIN32
 WIN_LDFLAGS=/LIBPATH:$(NACL_SDK_ROOT)/lib/win_x86_32_host
 """
 
 #
 # Compile rules for various platforms.
 #
 NACL_CC_RULE = """
 <OBJS>:=$(patsubst %.<ext>, <tc>/%_<ARCH>.o,$(<PROJ>_<EXT>))
 $(<OBJS>) : <tc>/%_<ARCH>.o : %.<ext> $(THIS_MAKE) | <tc>
 <TAB>$(<CC>) -o $@ $< <MACH> $(<PROJ>_<EXT>FLAGS) -DTCNAME=<tc> $(<TC>_CCFLAGS) <DEFLIST>
@@ skipping 216 matching lines @@
   for key in kwargs:
     replace['<%s>' % key] = kwargs[key]
     
   if '<OBJS>' not in replace:
     if replace.get('<ARCH>', ''):
       replace['<OBJS>'] = '%s_%s_%s_%s_O' % (TC, PROJ, replace['<ARCH>'], EXT)
     else:
       replace['<OBJS>'] = '%s_%s_%s_O' % (TC, PROJ, EXT)
   return replace