[anjuta] run-program: Avoid a critical warning when closing a project

[Sebastien Granjoux <sgranjoux src gnome org>]

commit b83c26c548f14ee9d6747bc4f3461cf0228d4a52
Author: SÃbastien Granjoux <seb sfo free fr>
Date:   Mon Nov 12 22:03:02 2012 +0100

    run-program: Avoid a critical warning when closing a project

 plugins/run-program/execute.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/run-program/execute.c b/plugins/run-program/execute.c
index b0f3c60..674d32c 100644
--- a/plugins/run-program/execute.c
+++ b/plugins/run-program/execute.c
@@ -588,7 +588,7 @@ run_free_all_children (RunProgramPlugin *plugin)
 	/* Remove terminal child-exited handle */
 	term = anjuta_shell_get_interface (ANJUTA_PLUGIN (plugin)->shell,
 										IAnjutaTerminal, NULL);
-	g_signal_handlers_disconnect_by_func (term, on_child_terminated, plugin);
+	if (term != NULL) g_signal_handlers_disconnect_by_func (term, on_child_terminated, plugin);
 	plugin->child_exited_connection = 0;
 
 	/* Remove all child-exited source */