Pontoon: Update Slovenian (sl) localization of AMO

Localization authors:
- Lan Glad <upwinxp@gmail.com>

locale/sl/LC_MESSAGES/django.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: support.mozilla.com\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2018-09-18 07:16+0000\n"
-"PO-Revision-Date: 2018-09-21 16:31+0000\n"
+"PO-Revision-Date: 2018-09-21 21:53+0000\n"
 "Last-Translator: Lan Glad <upwinxp@gmail.com>\n"
 "Language-Team: Slovenian\n"
 "Language: sl\n"
@@ -5694,7 +5694,7 @@ msgstr "Poenostavite stvari {start_sub_heading}z {addon_name}{end_sub_heading}"
 
 #. editorial content for the discovery pane.
 msgid "Just drag text, images, or links to perform actions like copy, open, search, and more."
-msgstr ""
+msgstr "Preprosto povlecite besedilo, slike ali povezave za dejanja, kot so kopiranje, odpiranje ali iskanje."
 
 #. editorial content for the discovery pane.
 msgid "Harness the ability to download video and/or audio in multiple formats."