Add git-core build dependency in preparation for merging cros.DEPS to DEPS

BUG=109475
TEST=maual: uninstalled git, run install-buid-deps.sh and gclient sync still works with cros.DEPS

Review URL: http://codereview.chromium.org/9348120

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@122185 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
index 63221388..4312694 100755
--- a/build/install-build-deps.sh
+++ b/build/install-build-deps.sh
@@ -62,7 +62,7 @@
           libxss-dev libxt-dev libxtst-dev mesa-common-dev msttcorefonts patch
           perl php5-cgi pkg-config python python-cherrypy3 python-dev
           python-psutil rpm ruby subversion ttf-dejavu-core ttf-indic-fonts
-          ttf-kochi-gothic ttf-kochi-mincho ttf-thai-tlwg wdiff
+          ttf-kochi-gothic ttf-kochi-mincho ttf-thai-tlwg wdiff git-core
           $chromeos_dev_list"
 
 # Run-time libraries required by chromeos only