[PATCH 1 of 3] Fix Linux build (unused variables)

[Wald Commits]

# HG changeset patch
# User Andre Heinecke <aheinecke at intevation.de>
# Date 1401263735 0
# Node ID c93730ef2a3aed716e5f97ec131971801a77dd88
# Parent  29f703b0cc3ccf827b1d25110ade7df2af20a749
Fix Linux build (unused variables)

diff -r 29f703b0cc3c -r c93730ef2a3a common/binverify.c
--- a/common/binverify.c	Wed May 28 07:39:09 2014 +0000
+++ b/common/binverify.c	Wed May 28 07:55:35 2014 +0000
@@ -17,7 +17,9 @@
   return verify_binary_win(filename, name_len);
 #else
   /* TODO */
-  return VerifyValid;
+  if (filename && name_len)
+    return VerifyValid;
+  return VerifyUnknownError;
 #endif
 }