[chrome-gnome-shell] firefox: force previous Firefox version.

[Yuri Konotopov <ykonotopov src gnome org>]

commit a4dd010a47ed5969907ee3c929d570562776667f
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sat Mar 10 10:40:59 2018 +0400

    firefox: force previous Firefox version.

 extension/manifest.firefox.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/extension/manifest.firefox.json b/extension/manifest.firefox.json
index fb30dfe..fc12dac 100644
--- a/extension/manifest.firefox.json
+++ b/extension/manifest.firefox.json
@@ -2,7 +2,7 @@
   "applications": {
     "gecko": {
       "id": "chrome-gnome-shell gnome org",
-      "strict_min_version": "52.0"
+      "strict_min_version": "58.0"
     }
   },
   "options_ui": {