[gnome-builder] gjs_symbols: Simplify getting runtime

[Patrick Griffis <pgriffis src gnome org>]

commit 3eb7e0188373ae3f13926e83c9379084b2cf7515
Author: Patrick Griffis <tingping tingping se>
Date:   Wed Nov 8 12:23:59 2017 -0500

    gjs_symbols: Simplify getting runtime
    
    This previous method would sometimes fail

 src/plugins/gjs-symbols/gjs_symbols.py |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/plugins/gjs-symbols/gjs_symbols.py b/src/plugins/gjs-symbols/gjs_symbols.py
index ba5be2e..ddd59e5 100644
--- a/src/plugins/gjs-symbols/gjs_symbols.py
+++ b/src/plugins/gjs-symbols/gjs_symbols.py
@@ -215,12 +215,10 @@ class GjsSymbolProvider(Ide.Object, Ide.SymbolResolver):
     @staticmethod
     def _get_launcher(context, file_):
         file_path = file_.get_path()
-        script = JS_SCRIPT %file_path
+        script = JS_SCRIPT % file_path
         unsaved_file = context.get_unsaved_files().get_unsaved_file(file_)
 
-        pipeline = context.get_build_manager().get_pipeline()
-        runtime = pipeline.get_configuration().get_runtime()
-
+        runtime = context.get_configuration_manager().get_current().get_runtime()
         launcher = runtime.create_launcher()
         launcher.set_flags(Gio.SubprocessFlags.STDOUT_PIPE | Gio.SubprocessFlags.STDERR_SILENCE)
         launcher.push_args(('gjs', '-c', script))