diff --git a/test/lgf_test.cc b/test/lgf_test.cc
--- a/test/lgf_test.cc
+++ b/test/lgf_test.cc
@@ -117,7 +117,7 @@
       digraphReader(d, input).
         run();
     }
-    catch (FormatError&) 
+    catch (FormatError&)
       {
         ok = true;
       }