Bug 1307901 - Fix a spelling error in a test. r=jdm

MozReview-Commit-ID: FQxF1ZD3c1A

--HG--
extra : rebase_source : 3628f106fd0209281af928c366c71ba94956dbb1

browser/base/content/test/general/browser_trackingUI_4.js

@@ -30,7 +30,7 @@ function waitForSecurityChange(numChanges = 1) {
     let listener = {
       onSecurityChange: function() {
         n = n + 1;
-        info ("Recieved onSecurityChange event " + n + " of " + numChanges);
+        info ("Received onSecurityChange event " + n + " of " + numChanges);
         if (n >= numChanges) {
           tabbrowser.removeProgressListener(listener);
           resolve();