Fixed issue #1432 (strm2oas def ignores path segment)

testdata/lefdef/issue-1432/test.def

@@ -0,0 +1,8 @@
+VERSION 5.8 ;
+DESIGN test ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( -1 -1 ) ( 8 8 ) ;
+NETS 1 ;
+- dummy + ROUTED M1 ( 0 0 ) ( 5 0 ) VIRTUAL ( 7 1 ) RECT ( -3 0 -1 2 ) ( 7 7 ) ;
+END NETS
+END DESIGN

testdata/lefdef/issue-1432/test.lef

@@ -0,0 +1,11 @@
+UNITS
+  DATABASE MICRONS 1000 ;
+END UNITS
+
+MANUFACTURINGGRID 0.001 ;
+
+LAYER M1
+  TYPE ROUTING ;
+  WIDTH 0.002 ;
+END M1
+

testdata/lefdef/issue-1432/test.map

@@ -0,0 +1,2 @@
+DIEAREA ALL 108 0
+M1 NET 31 0