PathServlet: Add missing break in case statement

Change-Id: Iee9eac7e4a0f88e6c3a60606dcf0c368e6df822b

gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java

diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java
index 939ff37..dd399ba 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java
@@ -210,6 +210,7 @@
           try (OutputStream out = BaseEncoding.base64().encodingStream(startRenderText(req, res))) {
             rw.getObjectReader().open(tw.getObjectId(0)).copyTo(out);
           }
+          break;
         default:
           renderTextError(req, res, SC_NOT_FOUND, "Not a file");
           break;