Use signed arithmetic to avoid overflow.

[lilypond.git] / lily / directional-element-interface.cc

diff --git a/lily/directional-element-interface.cc b/lily/directional-element-interface.cc
index befbc29d7e5e9df693a714074c65f3e17ba72023..2c6ae06185eb140a95bf895ef80afc2c70831680 100644 (file)
--- a/lily/directional-element-interface.cc
+++ b/lily/directional-element-interface.cc
@@ -27,7 +27,8 @@ get_grob_direction (Grob *me)
   SCM d = me->get_property ("direction");
   if (d == ly_symbol2scm ("calculation-in-progress"))
     {
-      programming_error ("Grob direction requested while calculation in progress. ");
+      programming_error ("Grob direction requested while calculation in"
+                         " progress. ");
       return UP;
     }
   if (!is_direction (d))