glu/sgi: Initialize members of class directedLine.
diff --git a/src/glu/sgi/libnurbs/nurbtess/directedLine.cc b/src/glu/sgi/libnurbs/nurbtess/directedLine.cc
index 5be1ae3..1ceda02 100644
--- a/src/glu/sgi/libnurbs/nurbtess/directedLine.cc
+++ b/src/glu/sgi/libnurbs/nurbtess/directedLine.cc
@@ -309,6 +309,8 @@
   nextPolygon = NULL;
   rootBit = 0;/*important to initilzae to 0 meaning not root yet*/
   rootLink = NULL;
+  direction = INCREASING;
+  sline = NULL;
 }
 
 directedLine::~directedLine()