Update linux_syscall_support revision

This pulls in:

r14: (zodiac): Applied patch provided by [email protected]
r15: (zodiac): Fix the calling conventions for the sixth argument on i386
r16: (mseaborn) Revert r15: Fix the calling conventions for the sixth argument on i386
r17: (mseaborn) Make linux_syscall_support.h compilable with -Wstrict-prototypes

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3114
TEST=trybots

Review URL: https://codereview.chromium.org/11366223

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@167461 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed