[tracker] tracker_file_system_get_remaining_space: use proper units

[Antoine Jacoutot <ajacoutot src gnome org>]

commit 6c97d3df87e594549cbc84676596f49ae7ade6c0
Author: Antoine Jacoutot <ajacoutot gnome org>
Date:   Tue May 10 07:52:45 2016 +0200

    tracker_file_system_get_remaining_space: use proper units
    
    The fields of type fsblkcnt_t must be reported in units of f_frsize for
    statvfs() and f_bsize for statfs().
    
    https://bugzilla.gnome.org/show_bug.cgi?id=766137

 src/libtracker-common/tracker-file-utils.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-common/tracker-file-utils.c b/src/libtracker-common/tracker-file-utils.c
index 2c92179..a45f4b3 100644
--- a/src/libtracker-common/tracker-file-utils.c
+++ b/src/libtracker-common/tracker-file-utils.c
@@ -240,6 +240,8 @@ tracker_file_get_mime_type (GFile *file)
 
 #ifdef __linux__
 
+#define __bsize f_bsize
+
 #ifdef __USE_LARGEFILE64
 #define __statvfs statfs64
 #else
@@ -248,6 +250,8 @@ tracker_file_get_mime_type (GFile *file)
 
 #else /* __linux__ */
 
+#define __bsize f_frsize
+
 #if HAVE_STATVFS64
 #define __statvfs statvfs64
 #else
@@ -294,7 +298,8 @@ tracker_file_system_get_remaining_space (const gchar *path)
 
        if (statvfs_helper (path, &st)) {
                available = (geteuid () == 0) ? st.f_bfree : st.f_bavail;
-               return st.f_bsize * available;
+               /* __bsize is a platform dependent #define above */
+               return st.__bsize * available;
        } else {
                return 0;
        }