openssh: Use -fno-strict-aliasing

Use -fno-strict-aliasing here so we don't have to use it globally

Change-Id: I287dad0172866d9dcd49dd853204c28e593c3ce3
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
Lazily fix aliasing

Change-Id: I96d44cb304150d92e9495c5cff227386abb4ecb1