[IA64] Enable mlock2 syscall for ia64

New system call added in
  commit a8ca5d0ecb
  mm: mlock: add new mlock system call

Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/include/asm/unistd.h

@@ -11,7 +11,7 @@
 
 
 
-#define NR_syscalls			322 /* length of syscall table */
+#define NR_syscalls			323 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about