x86/signals: ia32_signal.c: add __user casts to fix sparse warnings
x86/signals: ia32_signal.c: add __user casts to fix sparse warnings

Fix the following sparse warnings by adding appropriate __user
casts and annotations:

  ia32_signal.c:165:38: warning: incorrect type in argument 1 (different address spaces)
   ia32_signal.c:165:38:    expected struct sigaltstack const [noderef] [usertype] <asn:1>*<noident>
  ia32_signal.c:165:38:    got struct sigaltstack *
  [...]

Signed-off-by: Mathias Krause <64568d9183dcfcdd0a6fb47964820a1cdaf94ecc@googlemail.com>
Cc: Oleg Nesterov <20b70f0af00562e63758b9ee42012ecc96c58590@redhat.com>
Link: http://lkml.kernel.org/r/1346621506-30857-4-git-send-email-64568d9183dcfcdd0a6fb47964820a1cdaf94ecc@googlemail.com
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@kernel.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas