Fix mips64 build failure: sys_pwrite64 doesn't exist.

sys_pwrite seems to do the same thing as sys_pwrite64
which we deleted when we removed non-Linux code.

* linux/mips/syscallent.h: s/sys_pwrite64/sys_pwrite/

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/linux/mips/syscallent.h b/linux/mips/syscallent.h
index 7c0727a..2f7cb2f 100644
--- a/linux/mips/syscallent.h
+++ b/linux/mips/syscallent.h
@@ -5370,7 +5370,7 @@
 	{ 4,	TS,	sys_rt_sigprocmask,	"rt_sigprocmask"}, /* 5014 */
 	{ 3,	0,	sys_ioctl,		"ioctl"		}, /* 5015 */
 	{ 6,	TF,	sys_pread,		"pread"		}, /* 5016 */
-	{ 6,	TF,	sys_pwrite64,		"pwrite"	}, /* 5017 */
+	{ 6,	TF,	sys_pwrite,		"pwrite"	}, /* 5017 */
 	{ 3,	0,	sys_readv,		"readv"		}, /* 5018 */
 	{ 3,	0,	sys_writev,		"writev"	}, /* 5019 */
 	{ 2,	TF,	sys_access,		"access"	}, /* 5020 */