Lua: Fix LeftX, RightX, TopY, LAND_WIDTH, LAND_HEIGHT being broken if onVisualGearAdd is set
Fixes
bug #585
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>get-task-allow</key>
<false/>
</dict>
</plist>