fix "function declaration isn't a prototype" warnings from -Wstrict-prototypes

    mostly by using (void) instead of () for functions with empty parameter lists.

diff --git a/lib/neatogen/poly.h b/lib/neatogen/poly.h
index 92015796bac6887b4a1735d692397957f12b60b4..439d1d07493c378ef32a6cf142d7a5105218d614 100644 (file)
--- a/lib/neatogen/poly.h
+++ b/lib/neatogen/poly.h
@@ -33,7 +33,7 @@ extern "C" {
        int kind;
     } Poly;
 
-    extern void polyFree();
+    extern void polyFree(void);
     extern int polyOverlap(Point, Poly *, Point, Poly *);
     extern void makePoly(Poly *, Agnode_t *, double);
     extern void breakPoly(Poly *);