(emit_nat_info): Fix a typo: the destination must be a NaT-register!

(Logical change 1.167)
diff --git a/src/ia64/Gscript-ia64.c b/src/ia64/Gscript-ia64.c
index 95228e4..97c6055 100644
--- a/src/ia64/Gscript-ia64.c
+++ b/src/ia64/Gscript-ia64.c
@@ -288,7 +288,7 @@
       return;
     }
   insn.opc = opc;
-  insn.dst = i;
+  insn.dst = i + (UNW_IA64_NAT - UNW_IA64_GR);
   insn.val = val;
   script_emit (script, insn);
 }