remove unnecessary parameter

mailnews/local/src/nsMailboxUrl.cpp

@@ -389,7 +389,7 @@ nsresult nsMailboxUrl::ParseSearchPart()
 }
 
 // warning: don't assume when parsing the url that the protocol part is "news"...
-nsresult nsMailboxUrl::ParseUrl(const nsString& aSpec)
+nsresult nsMailboxUrl::ParseUrl()
 {
 	if (m_filePath)
 		delete m_filePath;
@@ -403,7 +403,7 @@ NS_IMETHODIMP nsMailboxUrl::SetSpec(const char * aSpec)
 {
 	nsresult rv = nsMsgMailNewsUrl::SetSpec(aSpec);
 	if (NS_SUCCEEDED(rv))
-		rv = ParseUrl(nsAutoString());
+		rv = ParseUrl();
 	return rv;
 }
 

mailnews/local/src/nsMailboxUrl.h

@@ -59,7 +59,7 @@ public:
 
 protected:
 	// protocol specific code to parse a url...
-    virtual nsresult ParseUrl(const nsString& aSpec);
+    virtual nsresult ParseUrl();
 	virtual const char * GetUserName() { return nsnull;}
 
 	// mailboxurl specific state