To clear the current entry_ref

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5477 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/media/DataExchange.h

@@ -197,6 +197,8 @@ public:
 			directory = ref.directory;
 			if(ref.name)
 				strcpy(name, ref.name);
+			else
+				name[0] = 0;
 		}
 private:
 	dev_t	device;

src/kits/media/MediaFiles.cpp

@@ -173,6 +173,8 @@ BMediaFiles::GetRefFor(const char *type,
 	
 	rv = QueryServer(SERVER_GETREFFOR, &request, sizeof(request), &reply, sizeof(reply));
 	if (rv != B_OK) {
+		entry_ref ref;
+		*out_ref = ref;
 		ERROR("BMediaFiles::GetRefFor: failed to getreffor (error %#lx)\n", rv);
 		return rv;
 	}