fs/exportfs/expfs.c:dprintk

- Fix macro varargs usage, you need to specify a variable name
before the triple dot or else most current compilers complain.
See include/linux/ext2_fs.h:ext2_debug for another example where
it is done correctly.

fs/exportfs/expfs.c

@@ -34,7 +34,7 @@ struct export_operations export_op_default;
 
 #define	CALL(ops,fun) ((ops->fun)?(ops->fun):export_op_default.fun)
 
-#define dprintk(x, ...) do{}while(0)
+#define dprintk(x, a...) do{}while(0)
 
 struct dentry *
 find_exported_dentry(struct super_block *sb, void *obj, void *parent,