Remove unused import

CopyFiles has never been used in build_and_sign_pkg_mac.py.

This is just an internal clean-up.  No behavior change in production is intended.

BUG=none
TEST=compile

git-svn-id: https://mozc.googlecode.com/svn/trunk@434 a6090854-d499-a067-5803-1114d4e51264
diff --git a/src/build_tools/build_and_sign_pkg_mac.py b/src/build_tools/build_and_sign_pkg_mac.py
index 1f97f80..e7ded83 100644
--- a/src/build_tools/build_and_sign_pkg_mac.py
+++ b/src/build_tools/build_and_sign_pkg_mac.py
@@ -44,7 +44,6 @@
 import shutil
 import sys
 
-from copy_file import CopyFiles
 from util import PrintErrorAndExit
 from util import RunOrDie
 
diff --git a/src/mozc_version_template.txt b/src/mozc_version_template.txt
index 6974088..55dbfee 100644
--- a/src/mozc_version_template.txt
+++ b/src/mozc_version_template.txt
@@ -1,6 +1,6 @@
 MAJOR=2
 MINOR=16
-BUILD=1974
+BUILD=1975
 REVISION=102
 # NACL_DICTIONARY_VERSION is the target version of the system dictionary to be
 # downloaded by NaCl Mozc.