[glib] Silence compiler warnings

[Matthias Clasen <matthiasc src gnome org>]

commit 216fd8a82c902486ba5e5bdcf4a0a0d3d61036c4
Author: Sjoerd Simons <sjoerd simons collabora co uk>
Date:   Mon Nov 14 22:06:07 2011 +0100

    Silence compiler warnings
    
    Fix several warnings for format strings (-Werror=format-security) and
    set but unused variables (-Wunused-but-set-variable)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=664144

 tests/iochannel-test.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/tests/iochannel-test.c b/tests/iochannel-test.c
index f08688b..4a67aac 100644
--- a/tests/iochannel-test.c
+++ b/tests/iochannel-test.c
@@ -64,7 +64,6 @@ gint main (gint argc, gchar * argv[])
     gsize length_out;
     const gchar encoding[] = "EUC-JP";
     GIOStatus status;
-    GIOFlags flags;
 
     if (!srcdir)
       srcdir = ".";
@@ -90,7 +89,7 @@ gint main (gint argc, gchar * argv[])
     g_io_channel_set_encoding (gio_r, encoding, &gerr);
     if (gerr)
       {
-        g_warning (gerr->message);
+        g_warning ("%s", gerr->message);
         /* Keep going if this is just a case of iconv not supporting EUC-JP, see bug 428048 */
         if (gerr->code != G_CONVERT_ERROR_NO_CONVERSION)
           return 1;
@@ -103,11 +102,10 @@ gint main (gint argc, gchar * argv[])
     status = g_io_channel_set_flags (gio_r, G_IO_FLAG_NONBLOCK, &gerr);
     if (status == G_IO_STATUS_ERROR)
       {
-        g_warning (gerr->message);
+        g_warning ("%s", gerr->message);
         g_error_free (gerr);
         gerr = NULL;
       }
-    flags = g_io_channel_get_flags (gio_r);
     buffer = g_string_sized_new (BUFFER_SIZE);
 
     while (TRUE)
@@ -143,7 +141,7 @@ gint main (gint argc, gchar * argv[])
         case G_IO_STATUS_EOF:
           break;
         case G_IO_STATUS_ERROR:
-          g_warning (gerr->message);
+          g_warning ("%s", gerr->message);
           g_error_free (gerr);
           gerr = NULL;
           break;
@@ -158,7 +156,7 @@ gint main (gint argc, gchar * argv[])
 
     if (status == G_IO_STATUS_ERROR)
       {
-        g_warning (gerr->message);
+        g_warning ("%s", gerr->message);
         g_error_free (gerr);
         gerr = NULL;
       }