diff -r 0fec6a017ead -r ba124394367a lemon/glpk.cc
--- a/lemon/glpk.cc	Mon Feb 23 22:54:25 2009 +0100
+++ b/lemon/glpk.cc	Mon Feb 23 23:44:29 2009 +0100
@@ -526,6 +526,8 @@
     glp_free_env();
   }
 
+  GlpkBase::FreeEnvHelper GlpkBase::freeEnvHelper;
+
   // GlpkLp members
 
   GlpkLp::GlpkLp()