LfsProtocolServlet: Don't set pretty printing on Gson

Pretty printing is only used for outputting json content, which is
interpreted by the client and does not need to be pretty printed.

Change-Id: I48e0280241b6b0f5706300ae0f4c9bc461a89110
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java

@@ -183,10 +183,9 @@ public abstract class LfsProtocolServlet extends HttpServlet {
 	}
 
 	private Gson createGson() {
-		GsonBuilder gb = new GsonBuilder()
-				.setFieldNamingPolicy(
-						FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
-				.setPrettyPrinting().disableHtmlEscaping();
-		return gb.create();
+		return new GsonBuilder()
+				.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
+				.disableHtmlEscaping()
+				.create();
 	}
 }