Remove unused variables found by Irix cc.

--HG--
branch : HEAD
diff --git a/regress/set_comment_all.c b/regress/set_comment_all.c
index bf3fdc1..f3af10f 100644
--- a/regress/set_comment_all.c
+++ b/regress/set_comment_all.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: set_comment_all.c,v 1.1 2006/04/23 12:25:00 wiz Exp $
+  $NiH: set_comment_all.c,v 1.2 2006/04/23 13:28:41 wiz Exp $
 
   set_comment_all.c -- set global and file comments
   Copyright (C) 2006 Dieter Baron and Thomas Klausner
@@ -54,7 +54,7 @@
     struct zip *za;
     char buf[100];
     int err;
-    int i, len;
+    int i;
 
     prg = argv[0];
 
diff --git a/regress/set_comment_localonly.c b/regress/set_comment_localonly.c
index cbdb0fe..c732378 100644
--- a/regress/set_comment_localonly.c
+++ b/regress/set_comment_localonly.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: set_comment_localonly.c,v 1.2 2006/04/23 12:28:34 wiz Exp $
+  $NiH: set_comment_localonly.c,v 1.3 2006/04/23 13:28:41 wiz Exp $
 
   set_comment_localonly.c -- set file comments
   Copyright (C) 2006 Dieter Baron and Thomas Klausner
@@ -51,7 +51,7 @@
     struct zip *za;
     char buf[100];
     int err;
-    int i, len;
+    int i;
 
     prg = argv[0];
 
diff --git a/regress/set_comment_removeglobal.c b/regress/set_comment_removeglobal.c
index 844b116..9b850a9 100644
--- a/regress/set_comment_removeglobal.c
+++ b/regress/set_comment_removeglobal.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: set_comment_all.c,v 1.1 2006/04/23 12:25:00 wiz Exp $
+  $NiH: set_comment_removeglobal.c,v 1.1 2006/04/23 13:28:31 wiz Exp $
 
   set_comment_removeglobal.c -- remove archive comment
   Copyright (C) 2006 Dieter Baron and Thomas Klausner
@@ -51,7 +51,6 @@
     struct zip *za;
     char buf[100];
     int err;
-    int i, len;
 
     prg = argv[0];
 
diff --git a/regress/set_comment_revert.c b/regress/set_comment_revert.c
index 9927537..5cdb88d 100644
--- a/regress/set_comment_revert.c
+++ b/regress/set_comment_revert.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: set_comment_revert.c,v 1.1 2006/04/23 13:21:19 wiz Exp $
+  $NiH: set_comment_revert.c,v 1.2 2006/04/23 13:28:41 wiz Exp $
 
   set_comment_revert.c -- set global and file comments, but revert
   Copyright (C) 2006 Dieter Baron and Thomas Klausner
@@ -54,7 +54,7 @@
     struct zip *za;
     char buf[100];
     int err;
-    int i, len;
+    int i;
 
     prg = argv[0];