[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/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 7e0d7dc..ab784ec 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -780,14 +780,14 @@
 		if ((long)((unsigned long)child + IA64_STK_OFFSET - sp)
 		    < IA64_PT_REGS_SIZE) {
 			dprintk("ptrace.%s: ran off the top of the kernel "
-				"stack\n", __FUNCTION__);
+				"stack\n", __func__);
 			return;
 		}
 		if (unw_get_pr (&prev_info, &pr) < 0) {
 			unw_get_rp(&prev_info, &ip);
 			dprintk("ptrace.%s: failed to read "
 				"predicate register (ip=0x%lx)\n",
-				__FUNCTION__, ip);
+				__func__, ip);
 			return;
 		}
 		if (unw_is_intr_frame(&info)