fixed a bug in windows filename arg list processing

git-svn-id: http://comictagger.googlecode.com/svn/trunk@482 6c5673fe-1810-88d6-992b-cd32ca31540c

comictagger.py

@@ -1,4 +1,4 @@
 #!/usr/bin/python
 from comictaggerlib.main import ctmain
 
-ctmain()			
+ctmain()

comictaggerlib/options.py

@@ -289,7 +289,8 @@ For more help visit the wiki at: http://code.google.com/p/comictagger/
 				self.file_list = []
 				for item in args:
 					self.file_list.extend(glob.glob(item))
-				self.filename = self.file_list[0]
+				if len(self.file_list) > 0:
+					self.filename = self.file_list[0]
 			else:
 				self.filename = args[0]
 				self.file_list = args