Xen devel - Apr 2012 - [PATCH] fix build error when enabling lock profile

When enabling lock profile, it fail to finish build. I have no idea why this
will be called in setting lock profiling.

Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>

diff -r c6bde42c8845 xen/common/sysctl.c
--- a/xen/common/sysctl.c   Thu Apr 12 14:01:27 2012 +0100
+++ b/xen/common/sysctl.c   Fri Apr 13 22:05:15 2012 +0800
@@ -156,7 +156,6 @@ long do_sysctl(XEN_GUEST_HANDLE(xen_sysc
         if ( ret )
             break;

-        ret = perfc_control(&op->u.perfc_op);
         ret = spinlock_profile_control(&op->u.lockprof_op);
         if ( copy_to_guest(u_sysctl, op, 1) )
             ret = -EFAULT;