[gtksourceview/wip/fix-warnings] tests: fix warning about 'gchar *' vs 'const gchar *'

[Sébastien Wilmet <swilmet src gnome org>]

commit 9dc9e4b27ad8fca21b82140e8ae402fa9be82a83
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Aug 9 15:57:17 2015 +0200

    tests: fix warning about 'gchar *' vs 'const gchar *'

 tests/test-region.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/test-region.c b/tests/test-region.c
index 61068a4..bc6ad7e 100644
--- a/tests/test-region.c
+++ b/tests/test-region.c
@@ -80,7 +80,7 @@ test_region (void)
        }
 
        for (i = 0; i < NUM_OPS; i++) {
-               gchar *op_name;
+               const gchar *op_name;
 
                gtk_text_buffer_get_iter_at_offset (buffer, &iter1, ops [i][1]);
                gtk_text_buffer_get_iter_at_offset (buffer, &iter2, ops [i][2]);