Index: linkstate/ls.cc
--- linkstate/ls.cc.orig
+++ linkstate/ls.cc
@@ -81,7 +81,7 @@ static class initRouting { (public)
 	}
 } lsRoutingInitializer;
 
-static void ls_error(char* msg) 
+static void ls_error(const char* msg) 
 { 
 	fprintf(stderr, "%s\n", msg);
 	abort();