[PATCH .36-rc8] a.out: Fix module build failure

[Ingo Molnar <mingo@elte.hu>]

The recent aout fix causes a modular build failure on x86 
(allmodconfig):

ERROR: "dump_seek" [fs/binfmt_aout.ko] undefined!
ERROR: "dump_write" [fs/binfmt_aout.ko] undefined!

Export these symbols.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
diff --git a/fs/exec.c b/fs/exec.c
index 03278c9..c55ca82 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -2024,6 +2024,7 @@ int dump_write(struct file *file, const void *addr, int nr)
 {
 	return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, addr, nr, &file->f_pos) == nr;
 }
+EXPORT_SYMBOL_GPL(dump_write);
 
 int dump_seek(struct file *file, loff_t off)
 {
@@ -2052,3 +2053,4 @@ int dump_seek(struct file *file, loff_t off)
 	}
 	return ret;
 }
+EXPORT_SYMBOL_GPL(dump_seek);