Alias sys_fsync to sys_close

* file.c (sys_fsync): Remove.
* linux/syscall.h (sys_fsync): Likewise.
* linux/dummy.h (sys_fsync): Alias to sys_close.
* linux/m68k/syscallent.h: Add TD flag to fsync entry.
* linux/microblaze/syscallent.h: Likewise.
* linux/mips/syscallent.h: Likewise.
diff --git a/linux/dummy.h b/linux/dummy.h
index 493da2a..b242ec7 100644
--- a/linux/dummy.h
+++ b/linux/dummy.h
@@ -75,6 +75,7 @@
 #define	sys_dup			sys_close
 #define	sys_fchdir		sys_close
 #define	sys_fdatasync		sys_close
+#define	sys_fsync		sys_close
 #define	sys_geteuid		sys_getuid
 #define	sys_getegid		sys_getuid
 #define	sys_getgid		sys_getuid