[libgdata] tests: Silence -Wunsafe-loop-optimizations

[Debarshi Ray <debarshir src gnome org>]

commit c4f9bdedcdad0c392c1b2e854179213fa0e0c52b
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jun 3 14:04:29 2015 +0200

    tests: Silence -Wunsafe-loop-optimizations
    
    We can end up with an infinite loop if end_num is G_MAXUINT. Let's use
    ‘<’ instead of ‘<=’ to avoid this.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=750335

 gdata/tests/streams.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gdata/tests/streams.c b/gdata/tests/streams.c
index 25248f0..91b35c6 100644
--- a/gdata/tests/streams.c
+++ b/gdata/tests/streams.c
@@ -126,9 +126,11 @@ get_test_string (guint start_num, guint end_num)
        GString *test_string;
        guint i;
 
+       g_return_val_if_fail (end_num < G_MAXUINT, NULL);
+
        test_string = g_string_new (NULL);
 
-       for (i = start_num; i <= end_num; i++)
+       for (i = start_num; i < end_num + 1; i++)
                g_string_append_printf (test_string, "%u\n", i);
 
        return g_string_free (test_string, FALSE);