glu/sgi: Initialize members of class Arc.

diff --git a/src/glu/sgi/libnurbs/internals/arc.h b/src/glu/sgi/libnurbs/internals/arc.h
index e986019..ca397f3 100644 (file)
--- a/src/glu/sgi/libnurbs/internals/arc.h
+++ b/src/glu/sgi/libnurbs/internals/arc.h
@@ -108,6 +108,9 @@ public:
 inline
 Arc::Arc( Arc *j, PwlArc *p )
 {
+    prev = NULL;
+    next = NULL;
+    link = NULL;
     bezierArc = NULL;
     pwlArc = p;
     type = j->type;
@@ -123,6 +126,9 @@ Arc::Arc( Arc *j, PwlArc *p )
 inline
 Arc::Arc( arc_side side, long _nuid )
 {
+    prev = NULL;
+    next = NULL;
+    link = NULL;
     bezierArc = NULL;
     pwlArc = NULL;
     type = 0;