[gobject-introspection] tests: Remove unused variable

[Philip Chimento <pchimento src gnome org>]

commit d782e50eb21da2728020a061f30cc2492d6de0f5
Author: Philip Chimento <philip endlessm com>
Date:   Tue Oct 18 10:31:19 2016 -0700

    tests: Remove unused variable
    
    Left over from code review fix.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772790

 tests/gimarshallingtests.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/tests/gimarshallingtests.c b/tests/gimarshallingtests.c
index e7f5638..2e001c0 100644
--- a/tests/gimarshallingtests.c
+++ b/tests/gimarshallingtests.c
@@ -1722,7 +1722,6 @@ gunichar *
 gi_marshalling_tests_array_zero_terminated_return_unichar (void)
 {
   static const gunichar value[] = GI_MARSHALLING_TESTS_CONSTANT_UCS4;
-  unsigned ix;
   gunichar *retval = g_new0(gunichar, 13);
   memcpy (retval, value, 12 * sizeof (gunichar));
   return retval;