[ecj] Fix build error

[Gary Benson]

Hi all,

This commit fixes a build error.  In my build environment warnings are
treated as errors; are you guys doing something weird to avoid this?

Cheers,
Gary
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Index: ChangeLog
===================================================================
--- ChangeLog	(revision 119820)
+++ ChangeLog	(working copy)
@@ -1,3 +1,7 @@
+2006-12-13  Gary Benson  <gbenson@redhat.com>
+
+	* jcf-depend.c (jcf_dependency_add_file): Mark filename unused.
+
 2006-12-12  Tom Tromey  <tromey@redhat.com>
 
 	* lang-specs.h: Pass -M options to jc1.
Index: jcf-depend.c
===================================================================
--- jcf-depend.c	(revision 119820)
+++ jcf-depend.c	(working copy)
@@ -100,7 +100,7 @@
 }
 
 void
-jcf_dependency_add_file (const char *filename, int system_p)
+jcf_dependency_add_file (const char *filename ATTRIBUTE_UNUSED, int system_p)
 {
   if (! dependencies)
     return;