Some warnings removed

git-svn-id: svn+ssh://svn.gecode.org/srv/gecode/svn/gecode/trunk@16765 64335634-5103-0410-b293-fc3d331e086d

Author: Christian Schulte

gecode/driver/script.hpp

@@ -361,7 +361,9 @@ namespace Gecode { namespace Driver {
         /* FALL THROUGH */
 #endif
       case SM_SOLUTION:
+#ifndef GECODE_HAS_GIST
       solution:
+#endif
         {
           l_out << o.name() << endl;
           Support::Timer t;