booleanGlyph: fix BooleanGlyphDataPointPen not flushing contours

Cosimo Lupo · Cosimo Lupo · commit 9523a83c783d · 2016-12-18T12:50:26.000Z
The line was inadvertently deleted with commits 8dc6c6a..0b8d453, probably as result of a bad revert commit.
diff --git a/Lib/booleanOperations/booleanGlyph.py b/Lib/booleanOperations/booleanGlyph.py
@@ -51,6 +51,7 @@ def _flushContour(self):
 
             contour = self._glyph.contourClass()
             contour._points = points
+            self._glyph.contours.append(contour)
 
     def beginPath(self):
         self._points = []
