Add a dependency for python2.5-dev for linux

Review URL: http://codereview.chromium.org/650049

git-svn-id: http://src.chromium.org/svn/trunk/src/build@39582 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

install-build-deps.sh

@@ -138,7 +138,7 @@ dev_list="apache2 bison fakeroot flex g++ g++-multilib gperf libapache2-mod-php5
           libglu1-mesa-dev libglib2.0-dev libgtk2.0-dev libjpeg62-dev
           libnspr4-dev libnss3-dev libpam0g-dev libsqlite3-dev libxslt1-dev
           libxss-dev lighttpd mesa-common-dev msttcorefonts patch perl php5-cgi
-          pkg-config python rpm subversion wdiff"
+          pkg-config python python2.5-dev rpm subversion wdiff"
 
 # Full list of required run-time libraries
 lib_list="libatk1.0-0 libc6 libasound2 libcairo2 libexpat1