Build with -fno-strict-aliasing

Change-Id: I4117a526cdc93c96a9b7102727f5b33542810990
Signed-off-by: Evan McClain <aeroevan@gmail.com>
Busybox 1.21.0 squashed commit for jellybean

Change-Id: I423c7fc1254050c6495126b1b18dd33af07fed6b
Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_external_busybox into jb-mv