File benzene-gcc15.patch of Package benzene

Index: src/benzene.c
===================================================================
--- src.orig/benzene.c
+++ src/benzene.c
@@ -238,7 +238,9 @@ int jump[MAXNV]; /* How many edges are B
 int jumpname[MAXNV]; /* What is the name of the vertex at the end of that edge ? */
 
 
-static int canon();
+static int 
+canon(int colour_prev[], EDGE *can_numberings[][MAXE], 
+      int *num_can_numberings, int *num_can_numberings_or_pres);
 
 
 static int markvalue_v = 30000;