Pass the file mode of the proc inode to be created to
proc_pid_make_inode.  In proc_pid_make_inode, initialize inode->i_mode
before calling security_task_to_inode.  This allows selinux to set
isec->sclass right away without introducing "half-initialized" inode
security structs.
Signed-off-by: NAndreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: NPaul Moore <paul@paul-moore.com>