Fix:core:Check if speech output is available, to avoid crashing.

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@5974 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 5 insertions, 1 deletions

diff --git a/navit/navit.c b/navit/navit.c
index 0106ff3c..aca3ef09 100644
--- a/navit/navit.c
+++ b/navit/navit.c
@@ -2775,7 +2775,11 @@ navit_get_attr(struct navit *this_, enum attr_type type, struct attr *attr, stru
 		attr->u.route=this_->route;
 		break;
 	case attr_speech:
-	        attr->u.speech=this_->speech;
+                if(this_->speech) {
+                        attr->u.speech=this_->speech;
+		} else {
+                        return  0;
+                }
 	        break;
 	case attr_timeout:
 		attr->u.num=this_->center_timeout;