ia64: Hook up fadvise64_64() system call.

arch/ia64/kernel/entry.S

@@ -1473,7 +1473,7 @@ sys_call_table:
 	data8 sys_clock_nanosleep
 	data8 sys_fstatfs64
 	data8 sys_statfs64
-	data8 ia64_ni_syscall
+	data8 sys_fadvise64_64
 	data8 ia64_ni_syscall			// 1260
 	data8 ia64_ni_syscall
 	data8 ia64_ni_syscall

arch/ia64/kernel/fsys.S

@@ -678,9 +678,9 @@ fsyscall_table:
 	data8 0				// clock_gettime
 	data8 0				// clock_getres		// 1255
 	data8 0				// clock_nanosleep
-	data8 0
-	data8 0
-	data8 0
+	data8 0				// fstatfs64
+	data8 0				// statfs64
+	data8 0				// fadvise64_64
 	data8 0							// 1260
 	data8 0
 	data8 0

include/asm-ia64/unistd.h

@@ -248,6 +248,7 @@
 #define __NR_sys_clock_nanosleep	1256
 #define __NR_sys_fstatfs64		1257
 #define __NR_sys_statfs64		1258
+#define __NR_fadvises64_64		1259
 
 #ifdef __KERNEL__