[baobab] Remove unnecessary check

[Stefano Facchini <sfacchini src gnome org>]

commit d3809774df63c9ae214dfbdc39ec7fc56a2767df
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Sun Jun 7 17:50:44 2020 +0200

    Remove unnecessary check
    
    If the attribute is not available, the method will return 0.

 src/baobab-scanner.vala | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/src/baobab-scanner.vala b/src/baobab-scanner.vala
index 63445fd..7b9b41b 100644
--- a/src/baobab-scanner.vala
+++ b/src/baobab-scanner.vala
@@ -183,9 +183,7 @@ namespace Baobab {
             results.time_modified = info.get_attribute_uint64 (FileAttribute.TIME_MODIFIED);
 
             results.size = info.get_size ();
-            if (info.has_attribute (FileAttribute.STANDARD_ALLOCATED_SIZE)) {
-                results.alloc_size = info.get_attribute_uint64 (FileAttribute.STANDARD_ALLOCATED_SIZE);
-            }
+            results.alloc_size = info.get_attribute_uint64 (FileAttribute.STANDARD_ALLOCATED_SIZE);
             results.elements = 1;
             results.error = null;
             results.child_error = false;
@@ -231,9 +229,7 @@ namespace Baobab {
                             }
 
                             results.size += child_info.get_size ();
-                            if (child_info.has_attribute (FileAttribute.STANDARD_ALLOCATED_SIZE)) {
-                                results.alloc_size += child_info.get_attribute_uint64 
(FileAttribute.STANDARD_ALLOCATED_SIZE);
-                            }
+                            results.alloc_size += child_info.get_attribute_uint64 
(FileAttribute.STANDARD_ALLOCATED_SIZE);
                             results.elements++;
 
                             var child_time = child_info.get_attribute_uint64 (FileAttribute.TIME_MODIFIED);