Fix #199

Author: angelozerr

core/ts.core/src/ts/utils/FileUtils.java

@@ -26,7 +26,7 @@ public class FileUtils {
 	public static final String JSX_EXTENSION = "jsx";
 	public static final String TSX_EXTENSION = "tsx";
 	public static final String MAP_EXTENSION = "map";
-	public static final String DEFINITION_TS_EXTENSION = "d.ts";
+	public static final String DEFINITION_TS_EXTENSION = ".d.ts";
 
 	/**
 	 * Configuration file