[gnome-commander/ConvertWarningsToErrors] Fix gcc warning for format argument

[Uwe Scholz <uwescholz src gnome org>]

commit 3355eb8a1e4df8456181501ba945c9d99076bc07
Author: Uwe Scholz <uwescholz src gnome org>
Date:   Tue Apr 18 22:18:24 2017 +0200

    Fix gcc warning for format argument

 src/utils.cc |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/utils.cc b/src/utils.cc
index cd2c4b3..4528c4a 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -370,13 +370,13 @@ const gchar *size2string (GnomeVFSFileSize size, GnomeCmdSizeDispMode size_disp_
                 if (i)
                     g_snprintf (buf0, sizeof(buf0), "%.1f %s ", dsize, prefixes[i]);
                 else
-                    g_snprintf (buf0, sizeof(buf0), "%llu %s ", size, prefixes[0]);
+                    g_snprintf (buf0, sizeof(buf0), "%lu %s ", size, prefixes[0]);
             }
             break;
 
         case GNOME_CMD_SIZE_DISP_MODE_GROUPED:
             {
-                gint len = g_snprintf (buf0, sizeof(buf0), "%llu ", size);
+                gint len = g_snprintf (buf0, sizeof(buf0), "%lu ", size);
 
                 if (len < 5)
                     return buf0;
@@ -399,11 +399,11 @@ const gchar *size2string (GnomeVFSFileSize size, GnomeCmdSizeDispMode size_disp_
             return buf1;
 
         case GNOME_CMD_SIZE_DISP_MODE_LOCALE:
-            g_snprintf (buf0, sizeof(buf0), "%'llu ", size);
+            g_snprintf (buf0, sizeof(buf0), "%'lu ", size);
             break;
 
         case GNOME_CMD_SIZE_DISP_MODE_PLAIN:
-            g_snprintf (buf0, sizeof(buf0), "%llu ", size);
+            g_snprintf (buf0, sizeof(buf0), "%lu ", size);
             break;
     }