Fixes for standalone compiler-rt build steps

git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@2065 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5
Fix standalone compiler-rt build step

git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@2066 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5