Geometry: Fix display with more than 10 guidelines.

src/View/Geometry/PlotAC.py

@@ -129,7 +129,7 @@ class PlotAC(PamhyrPlot):
 
             if txt.strip() in self.complete_gl:
                 color = self.color_complete_gl[
-                    lcomplete.index(txt)
+                    lcomplete.index(txt) % len(self.color_complete_gl)
                 ]
             else:
                 color = self.color_incomplete_gl[