[PATCH] fix remaining missing includes

Fix more include file problems that surfaced since I submitted the previous
fix-missing-includes.patch.  This should now allow not to include sched.h
from module.h, which is done by a followup patch.

Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-xtensa/elf.h b/include/asm-xtensa/elf.h
index 64f1f53..de06674 100644
--- a/include/asm-xtensa/elf.h
+++ b/include/asm-xtensa/elf.h
@@ -209,6 +209,8 @@
 
 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
 
+struct task_struct;
+
 extern void do_copy_regs (xtensa_gregset_t*, struct pt_regs*,
 			  struct task_struct*);
 extern void do_restore_regs (xtensa_gregset_t*, struct pt_regs*,