[file-roller] README: updated required versions for glib gtk+

[Paolo Bacchilega <paobac src gnome org>]

commit 0aafa6a26386b8d4d155d4d2863eb82a63846e26
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Oct 12 18:41:07 2019 +0200

    README: updated required versions for glib gtk+

 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README.md b/README.md
index 1f241a67..e3d8a03c 100644
--- a/README.md
+++ b/README.md
@@ -73,8 +73,8 @@ properly.
 
 Also you need the following libraries:
 
-* glib >= 2.36
-* gtk+ >= 3.13.2
+* glib >= 2.38
+* gtk+ >= 3.22.0
 * libnautilus-extension >= 3.28.0 (optional)
 * libarchive >= 3.0.0 (optional)