[baobab] Fix Vala warnings

[Stefano Facchini <sfacchini src gnome org>]

commit a704ae91f7bc374f2732349deb8c042b8617edc6
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Thu Aug 11 12:24:20 2016 +0200

    Fix Vala warnings

 src/baobab-location.vala |    4 ++--
 src/baobab-scanner.vala  |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/baobab-location.vala b/src/baobab-location.vala
index aead0d5..9eda310 100644
--- a/src/baobab-location.vala
+++ b/src/baobab-location.vala
@@ -46,11 +46,11 @@ namespace Baobab {
 
         public Scanner? scanner { get; private set; }
 
-        private static const string FS_ATTRIBUTES =
+        private const string FS_ATTRIBUTES =
             FileAttribute.FILESYSTEM_SIZE + "," +
             FileAttribute.FILESYSTEM_USED;
 
-        private static const string FILE_ATTRIBUTES =
+        private const string FILE_ATTRIBUTES =
             FileAttribute.STANDARD_DISPLAY_NAME + "," +
             FileAttribute.STANDARD_ICON + "," +
             FileAttribute.STANDARD_TYPE;
diff --git a/src/baobab-scanner.vala b/src/baobab-scanner.vala
index 88bab11..9a8c9f6 100644
--- a/src/baobab-scanner.vala
+++ b/src/baobab-scanner.vala
@@ -59,7 +59,7 @@ namespace Baobab {
 
         public signal void completed();
 
-        static const string ATTRIBUTES =
+        const string ATTRIBUTES =
             FileAttribute.STANDARD_NAME + "," +
             FileAttribute.STANDARD_DISPLAY_NAME + "," +
             FileAttribute.STANDARD_TYPE + "," +