[gnome-commander/Implement_CppCheck_suggestions] C++ cast, don't assign unused variable

[Uwe Scholz <uwescholz src gnome org>]

commit 99f29bf9cf5420c933df71766826c041c9cc8cb9
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Tue Apr 9 22:14:32 2019 +0200

    C++ cast, don't assign unused variable

 src/tags/gnome-cmd-tags-doc.cc    | 2 +-
 src/tags/gnome-cmd-tags-exiv2.cc  | 2 +-
 src/tags/gnome-cmd-tags-taglib.cc | 2 +-
 src/utils.cc                      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/tags/gnome-cmd-tags-doc.cc b/src/tags/gnome-cmd-tags-doc.cc
index c84ec443..9014ad82 100644
--- a/src/tags/gnome-cmd-tags-doc.cc
+++ b/src/tags/gnome-cmd-tags-doc.cc
@@ -173,7 +173,7 @@ inline void process_msole_SO(GsfInput *input, GnomeCmdFileMetadata *metadata)
     if (size < 0x374) // == 0x375 ??
         return;
 
-    gchar *buf = (gchar *) g_malloc0(size);
+    auto buf = static_cast<gchar*> (g_malloc0(size));
     gsf_input_read(input, size, (guint8 *) buf);
     if ((buf[0] != 0x0F) || (buf[1] != 0x0) ||
       !g_str_has_prefix (&buf[2], SfxDocumentInfo) ||
diff --git a/src/tags/gnome-cmd-tags-exiv2.cc b/src/tags/gnome-cmd-tags-exiv2.cc
index b9534151..807e6f43 100644
--- a/src/tags/gnome-cmd-tags-exiv2.cc
+++ b/src/tags/gnome-cmd-tags-exiv2.cc
@@ -1,4 +1,4 @@
-/** 
+/**
  * @file gnome-cmd-tags-exiv2.cc
  * @copyright (C) 2001-2006 Marcus Bjurman\n
  * @copyright (C) 2007-2012 Piotr Eljasiak\n
diff --git a/src/tags/gnome-cmd-tags-taglib.cc b/src/tags/gnome-cmd-tags-taglib.cc
index babbd6cb..fdde8c3c 100644
--- a/src/tags/gnome-cmd-tags-taglib.cc
+++ b/src/tags/gnome-cmd-tags-taglib.cc
@@ -1,4 +1,4 @@
-/** 
+/**
  * @file gnome-cmd-tags-taglib.cc
  * @copyright (C) 2001-2006 Marcus Bjurman\n
  * @copyright (C) 2007-2012 Piotr Eljasiak\n
diff --git a/src/utils.cc b/src/utils.cc
index 13af9164..23d91e67 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -502,7 +502,7 @@ GnomeVFSFileSize calc_tree_size (const GnomeVFSURI *dir_uri, gulong *count)
     {
         // A file
         GnomeVFSFileInfo *info = gnome_vfs_file_info_new ();
-        result = gnome_vfs_get_file_info (dir_uri_str, info, GNOME_VFS_FILE_INFO_DEFAULT);
+        gnome_vfs_get_file_info (dir_uri_str, info, GNOME_VFS_FILE_INFO_DEFAULT);
         size += info->size;
         if (count!=NULL) {
             (*count)++;