[gnome-builder] buildsystem: escape additional characters in build path

[Christian Hergert <chergert src gnome org>]

commit e5526dedd4cc01d2b34971b9ca8a2b400ab5810c
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 1 00:28:33 2017 -0800

    buildsystem: escape additional characters in build path
    
    Anything to try to be less tricky to various build system tooling.

 libide/buildsystem/ide-build-system.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/buildsystem/ide-build-system.c b/libide/buildsystem/ide-build-system.c
index d89f630..9b0d064 100644
--- a/libide/buildsystem/ide-build-system.c
+++ b/libide/buildsystem/ide-build-system.c
@@ -306,7 +306,7 @@ ide_build_system_get_builddir (IdeBuildSystem   *self,
       runtime_id = ide_configuration_get_runtime_id (configuration);
 
       name = g_strdelimit (g_strdup_printf ("%s-%s-%s", config_id, device_id, runtime_id),
-                           G_DIR_SEPARATOR_S, '-');
+                           "@:/", '-');
 
       ret = g_build_filename (g_get_user_cache_dir (),
                               "gnome-builder",