[IA64] remove remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Long lines have been kept where they exist, some small spacing changes
have been done.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 25aef62..a4ca657 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -714,7 +714,7 @@
 
 	if (ret)
 		printk("%s: Problem encountered in __add_pages() as ret=%d\n",
-		       __FUNCTION__,  ret);
+		       __func__,  ret);
 
 	return ret;
 }