build: linux: fix biarch support
build: linux: fix biarch support

filter ia64 and alpha from the test as those are known not to have biarch
support and therefore will use lib even if the libraries are 64-bit.


git-svn-id: 27e0aca8c7a52a9ae65dfba2e16879604119af8c@1475 93a4e39c-3214-0410-bb16-828d8e3bcd0f

fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia