Bug 1515109 - reduce minimum width for certificate dialog, r=mconley

Differential Revision: https://phabricator.services.mozilla.com/D15102

--HG--
extra : moz-landing-system : lando

security/manager/pki/resources/content/certManager.xul

@@ -13,7 +13,7 @@
         data-l10n-id="certmgr-title"
         onload="LoadCerts();"
         buttons="accept"
-        style="width: 63em; height: 32em;"
+        style="width: 40em; height: 32em;"
         persist="screenX screenY width height">
 
   <linkset>