Topo2: Fixed a map scaling errors causing nodes to appera like they were incorrectly positioned

Change-Id: I2317526f5be3fe1d60fd244b1c00e9d13cdcb00e
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2Map.js b/web/gui/src/main/webapp/app/view/topo2/topo2Map.js
index 0f559fa..0c8f73e 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2Map.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2Map.js
@@ -52,7 +52,7 @@
 
         promise = loadMap(this.node(), mapFilePath, mapId, {
             countryFilters: cfilter,
-            adjustScale: mapScale,
+            adjustScale: mapScale || 1,
             shading: ''
         });