Linux: add GYP flag for -fno-strict-aliasing.
Linux: add GYP flag for -fno-strict-aliasing.

We're still figuring out what to do about strict aliasing and V8. In
the mean time, V8 (and other parts of the code) are unbuildable with
GCC 4.4 and strict aliasing. Adding this flag at the request of fta.

http://codereview.chromium.org/164538


git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@23421 0039d316-1c4b-4281-b951-d872f2087c98

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