libsrtp.gyp: fix incorrect headers path and remove unused math.c.

Review URL: http://codereview.chromium.org/9117020

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/libsrtp@118928 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/libsrtp.gyp b/libsrtp.gyp
index c0baae8..c9cdc05 100644
--- a/libsrtp.gyp
+++ b/libsrtp.gyp
@@ -1,4 +1,4 @@
-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# 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.
 
@@ -107,34 +107,34 @@
         'srtp/include/ut_sim.h',
 
         # headers
-        'srtp/crypto/aes_cbc.h',
-        'srtp/crypto/aes.h',
-        'srtp/crypto/aes_icm.h',
-        'srtp/crypto/alloc.h',
-        'srtp/crypto/auth.h',
-        'srtp/crypto/cipher.h',
-        'srtp/crypto/config.h',
-        'srtp/crypto/cryptoalg.h',
-        'srtp/crypto/crypto.h',
-        'srtp/crypto/crypto_kernel.h',
-        'srtp/crypto/crypto_math.h',
-        'srtp/crypto/crypto_types.h',
-        'srtp/crypto/datatypes.h',
-        'srtp/crypto/err.h',
-        'srtp/crypto/gf2_8.h',
-        'srtp/crypto/hmac.h',
-        'srtp/crypto/integers.h',
-        'srtp/crypto/kernel_compat.h',
-        'srtp/crypto/key.h',
-        'srtp/crypto/null_auth.h',
-        'srtp/crypto/null_cipher.h',
-        'srtp/crypto/prng.h',
-        'srtp/crypto/rand_source.h',
-        'srtp/crypto/rdb.h',
-        'srtp/crypto/rdbx.h',
-        'srtp/crypto/sha1.h',
-        'srtp/crypto/stat.h',
-        'srtp/crypto/xfm.h',
+        'srtp/crypto/include/aes_cbc.h',
+        'srtp/crypto/include/aes.h',
+        'srtp/crypto/include/aes_icm.h',
+        'srtp/crypto/include/alloc.h',
+        'srtp/crypto/include/auth.h',
+        'srtp/crypto/include/cipher.h',
+        'srtp/crypto/include/config.h',
+        'srtp/crypto/include/cryptoalg.h',
+        'srtp/crypto/include/crypto.h',
+        'srtp/crypto/include/crypto_kernel.h',
+        'srtp/crypto/include/crypto_math.h',
+        'srtp/crypto/include/crypto_types.h',
+        'srtp/crypto/include/datatypes.h',
+        'srtp/crypto/include/err.h',
+        'srtp/crypto/include/gf2_8.h',
+        'srtp/crypto/include/hmac.h',
+        'srtp/crypto/include/integers.h',
+        'srtp/crypto/include/kernel_compat.h',
+        'srtp/crypto/include/key.h',
+        'srtp/crypto/include/null_auth.h',
+        'srtp/crypto/include/null_cipher.h',
+        'srtp/crypto/include/prng.h',
+        'srtp/crypto/include/rand_source.h',
+        'srtp/crypto/include/rdb.h',
+        'srtp/crypto/include/rdbx.h',
+        'srtp/crypto/include/sha1.h',
+        'srtp/crypto/include/stat.h',
+        'srtp/crypto/include/xfm.h',
 
         # sources
         'srtp/srtp/ekt.c',
@@ -155,7 +155,6 @@
         'srtp/crypto/kernel/key.c',
         'srtp/crypto/math/datatypes.c',
         'srtp/crypto/math/gf2_8.c',
-        'srtp/crypto/math/math.c',
         'srtp/crypto/math/stat.c',
         'srtp/crypto/replay/rdb.c',
         'srtp/crypto/replay/rdbx.c',