[gparted] Mark remaining get_filesystem_*() methods as returning const strings

[Curtis Gedak <gedakc src gnome org>]

commit c4ca7d3e9b854f6896809caf9b2533c0747b8947
Author: Mike Fleetwood <mike fleetwood googlemail com>
Date:   Sat Apr 3 15:12:08 2021 +0100

    Mark remaining get_filesystem_*() methods as returning const strings

 include/Utils.h | 4 ++--
 src/Utils.cc    | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/include/Utils.h b/include/Utils.h
index da1047d0..0e0e6865 100644
--- a/include/Utils.h
+++ b/include/Utils.h
@@ -141,11 +141,11 @@ public:
        static Glib::RefPtr<Gdk::Pixbuf> get_color_as_pixbuf(FSType fstype, int width, int height);
        static int get_max_partition_name_length( Glib::ustring & tabletype );
        static int get_filesystem_label_maxlength(FSType fstype);
-       static Glib::ustring get_filesystem_string(FSType fstype);
+       static const Glib::ustring get_filesystem_string(FSType fstype);
        static const Glib::ustring get_encrypted_string();
        static const Glib::ustring get_filesystem_string( bool encrypted, FSType fstype );
        static const Glib::ustring get_filesystem_kernel_name( FSType fstype );
-       static Glib::ustring get_filesystem_software(FSType fstype);
+       static const Glib::ustring get_filesystem_software(FSType fstype);
        static const Glib::ustring generate_encryption_mapping_name(const Glib::ustring& path);
        static bool kernel_supports_fs( const Glib::ustring & fs ) ;
        static bool kernel_version_at_least( int major_ver, int minor_ver, int patch_ver ) ;
diff --git a/src/Utils.cc b/src/Utils.cc
index 856ee3de..e67b6d89 100644
--- a/src/Utils.cc
+++ b/src/Utils.cc
@@ -308,7 +308,7 @@ int Utils::get_filesystem_label_maxlength(FSType fstype)
 
 
 // Return libparted file system name / GParted display name
-Glib::ustring Utils::get_filesystem_string(FSType fstype)
+const Glib::ustring Utils::get_filesystem_string(FSType fstype)
 {
        switch (fstype)
        {
@@ -428,7 +428,7 @@ const Glib::ustring Utils::get_filesystem_kernel_name( FSType fstype )
 }
 
 
-Glib::ustring Utils::get_filesystem_software(FSType fstype)
+const Glib::ustring Utils::get_filesystem_software(FSType fstype)
 {
        switch (fstype)
        {