cgraph fixes

diff --git a/lib/twopigen/circle.h b/lib/twopigen/circle.h
index 23257b0f52271e4fabebed975172fad642eb1aad..073011ac9ec6fb82724b3462ed0f85056875744b 100644 (file)
--- a/lib/twopigen/circle.h
+++ b/lib/twopigen/circle.h
@@ -33,7 +33,7 @@ extern "C" {
        double theta;
     } rdata;
 
-#define RDATA(n) ((rdata*)((n)->u.alg))
+#define RDATA(n) ((rdata*)(ND_alg(n)))
 #define SLEAF(n) (RDATA(n)->nStepsToLeaf)
 #define STSIZE(n) (RDATA(n)->subtreeSize)
 #define NCHILD(n) (RDATA(n)->nChildren)