Synced naming with project guidelines

Also a micro cleanup to get rid of a warning

SparkleLib/Makefile.am

@@ -5,7 +5,7 @@ LINK = $(REF_SPARKLELIB)
 
 SOURCES =  \
 	Defines.cs \
-	MonoOptions.cs \
+	SparkleOptions.cs \
 	SparkleFetcher.cs \
 	SparkleHelpers.cs \
 	SparklePaths.cs \

SparkleLib/SparkleOptions.cs

@@ -146,7 +146,7 @@ using NDesk.Options;
 #if NDESK_OPTIONS
 namespace NDesk.Options
 #else
-namespace Mono.Options
+namespace SparkleLib.Options
 #endif
 {
 	public class OptionValueCollection : IList, IList<string> {

SparkleShare/SparkleShare.cs

@@ -21,7 +21,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using SparkleLib;
-using Mono.Options;
+using SparkleLib.Options;
 
 namespace SparkleShare {
 
@@ -84,9 +84,8 @@ namespace SparkleShare {
 				{ "h|help", _("Print version information."), v=> ShowHelp = v != null }
 			};
 
-			List<string> extra;
 			try {
-				extra = p.Parse (args);
+				p.Parse (args);
 			}
 			catch (OptionException e) {
 				Console.Write ("SparkleShare: ");