Fix typo

Author: mauricioszabo

lib/snippet-expansion.js

@@ -354,7 +354,7 @@ module.exports = class SnippetExpansion {
     if (lastMarker.isDestroyed()) {
       return false
     } else {
-      this.seditor.setCursorBufferPosition(lastMarker.getEndBufferPosition())
+      this.editor.setCursorBufferPosition(lastMarker.getEndBufferPosition())
       return true
     }
   }