[anjuta] build: bgo #625604 - anjuta crashes on starting the debugger

[Sebastien Granjoux <sgranjoux src gnome org>]

commit d773570df20a6d698ffd39bd7dd4221d9d9d7f13
Author: Sergei Grudinin <sergei grudinin inria fr>
Date:   Sat Jul 31 16:09:13 2010 +0200

    build: bgo #625604  - anjuta crashes on starting the debugger

 plugins/build-basic-autotools/plugin.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/build-basic-autotools/plugin.c b/plugins/build-basic-autotools/plugin.c
index a4081f3..acbd996 100644
--- a/plugins/build-basic-autotools/plugin.c
+++ b/plugins/build-basic-autotools/plugin.c
@@ -2140,7 +2140,7 @@ build_get_uri_configuration (BasicAutotoolsPlugin *plugin, const gchar *uri)
 	for (cfg = build_configuration_list_get_first (plugin->configurations); cfg != NULL; cfg = build_configuration_next (cfg))
 	{
 		const gchar *root = build_configuration_list_get_build_uri  (plugin->configurations, cfg);
-		gsize len = strlen (root);
+		gsize len = root != NULL ? strlen (root) : 0;
 
 		if ((len > uri_len) && (strncmp (uri, root, len) == 0))
 		{