[gnome-boxes] Bump default storage allocation to 20 GiB

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit f960401b12f3bb401dd66c5ff12504f16789548a
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Nov 24 23:42:25 2011 +0200

    Bump default storage allocation to 20 GiB
    
    1. This should be adequate storage for most OSs out there.
    2. We use the dynamically growing storage format (qcow2) so actual
       amount of disk space used is completely dependent on the OS.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=664759

 src/os-database.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/os-database.vala b/src/os-database.vala
index b103854..b788d06 100644
--- a/src/os-database.vala
+++ b/src/os-database.vala
@@ -10,7 +10,10 @@ public errordomain Boxes.OSDatabaseError {
 private class Boxes.OSDatabase {
     private const int DEFAULT_VCPUS = 1;
     private const int64 DEFAULT_RAM = 500 * (int64) MEBIBYTES;
-    private const int64 DEFAULT_STORAGE = 2 * (int64) GIBIBYTES;
+
+    // We use the dynamically growing storage format (qcow2) so actual amount of disk space used is completely
+    // dependent on the OS/guest.
+    private const int64 DEFAULT_STORAGE = 20 * (int64) GIBIBYTES;
 
     private Db db;