enviroment-818189: Fix spelling of environment

Display does not pass 'environment' to Requisition.

See https://bug818189.bugzilla.mozilla.org/attachment.cgi?id=692967 for
original sign-off.

Signed-off-by: Mark Macdonald <Mark_MacDonald@ca.ibm.com>

lib/gcli/ui/display.js

@@ -86,7 +86,7 @@ function Display(options) {
   // When a component uses a document to create elements for use under a known
   // root element, then we pass in the element (if we have looked it up
   // already) or an id/document
-  this.requisition = new Requisition(options.enviroment || {}, doc);
+  this.requisition = new Requisition(options.environment || {}, doc);
 
   this.focusManager = new FocusManager(options, {
     document: doc