tools: source path must include the extension

docs/changelog.rst

@@ -9,6 +9,7 @@ Changelog
 * Sped up deployers by enabling incremental data compilation.
 * Added mouse-only shortcuts (middle-button/wheel) to tumble/dolly the camera.
 * Added support to JPEG image format for textures.
+* Fixed importing sounds.
 
 **Runtime**
 

tools/resource/sound_resource.vala

@@ -29,7 +29,7 @@ public class SoundResource
 			}
 
 			Hashtable sound = new Hashtable();
-			sound["source"] = resource_name;
+			sound["source"] = resource_path;
 
 			try {
 				SJSON.save(sound, project.absolute_path(resource_name) + ".sound");