Fix ia64 builds

Fix ia64 builds

[Jeff Law]

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The recent rtx_insn * changes mucked up ia64 in a trivial way.  The 
definition of ia64_emit_insn_before was changed, but not the prototype. 
This results in a build error.

Fixed in the obvious way.  Applying to the trunk.

Jeff

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commit f491be0d30b8e0063e54972497b8e049482f03b8
Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Nov 23 17:55:57 2016 +0000

    	* config/ia64/ia64.c (ia64_emit_insn_before): Fix prototype.
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242785 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 600a9ef..62e354c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-11-23  Jeff Law  <law@redhat.com>
+
+	* config/ia64/ia64.c (ia64_emit_insn_before): Fix prototype.
+
 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	PR target/63250
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index c8dbb4c..169b571 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -7138,7 +7138,7 @@ static char mem_ops_in_group[4];
 static int current_cycle;
 
 static rtx ia64_single_set (rtx_insn *);
-static void ia64_emit_insn_before (rtx, rtx);
+static void ia64_emit_insn_before (rtx, rtx_insn *);
 
 /* Map a bundle number to its pseudo-op.  */