[PATCH] add sys_unshare to syscalls.h

All architecture independent system calls should be declared
in syscalls.h, add the one that is missing.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/syscalls.h

@@ -568,5 +568,6 @@ asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user * filename,
 				      int flag);
 asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
 				   int flags, int mode);
+asmlinkage long sys_unshare(unsigned long unshare_flags);
 
 #endif