Changes the minimap char width scale

I was mislead by the lack of transform origin on the find-and-replace
and color-highlight layers.

Author: abe33

lib/minimap.coffee

@@ -111,7 +111,7 @@ class Minimap
   # Public: Returns the char width ratio of the minimap compared to the real
   # editor. **The value is currently hard-coded until we find a good way to
   # compute it from the editor state**.
-  getCharWidthRatio: -> 0.8
+  getCharWidthRatio: -> 0.72
 
   # Internal: Toggles the minimap activation state.
   toggle: () ->