[glib] Fix GContentType usage

[Ryan Lortie <desrt src gnome org>]

commit aa4e2d4dc3131076bed5f8e3fb83d4238a4f93b9
Author: TingPing <tingping tingping se>
Date:   Sat Aug 16 04:47:46 2014 -0400

    Fix GContentType usage
    
    https://bugzilla.gnome.org/show_bug.cgi?id=734946

 gio/glocalfileinfo.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/gio/glocalfileinfo.c b/gio/glocalfileinfo.c
index 7c46837..f75a0d2 100644
--- a/gio/glocalfileinfo.c
+++ b/gio/glocalfileinfo.c
@@ -1218,20 +1218,20 @@ get_content_type (const char          *basename,
 {
   if (is_symlink &&
       (symlink_broken || (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS)))
-    return g_strdup ("inode/symlink");
+    return g_content_type_from_mime_type ("inode/symlink");
   else if (statbuf != NULL && S_ISDIR(statbuf->st_mode))
-    return g_strdup ("inode/directory");
+    return g_content_type_from_mime_type ("inode/directory");
 #ifndef G_OS_WIN32
   else if (statbuf != NULL && S_ISCHR(statbuf->st_mode))
-    return g_strdup ("inode/chardevice");
+    return g_content_type_from_mime_type ("inode/chardevice");
   else if (statbuf != NULL && S_ISBLK(statbuf->st_mode))
-    return g_strdup ("inode/blockdevice");
+    return g_content_type_from_mime_type ("inode/blockdevice");
   else if (statbuf != NULL && S_ISFIFO(statbuf->st_mode))
-    return g_strdup ("inode/fifo");
+    return g_content_type_from_mime_type ("inode/fifo");
 #endif
 #ifdef S_ISSOCK
   else if (statbuf != NULL && S_ISSOCK(statbuf->st_mode))
-    return g_strdup ("inode/socket");
+    return g_content_type_from_mime_type ("inode/socket");
 #endif
   else
     {