Fixing my build warnings - No Bug - r: jefft

mailnews/mime/cthandlers/vcard/mimevcrd.cpp

@@ -200,8 +200,6 @@ static PRInt32 INTL_ConvertCharset(const char* from_charset, const char* to_char
                                    const char* inBuffer, const PRInt32 inLength,
                                    char** outBuffer, PRInt32* outLength)
 {
-  char *dstPtr = nsnull;
-  PRInt32 dstLength = 0;
   nsresult res;
 
   // invalid input

mailnews/mime/emitters/src/nsMimeXULEmitter.cpp

@@ -1208,7 +1208,6 @@ nsMimeXULEmitter::BuildListOfStatusProviders()
       return rv;
     
     nsCOMPtr<nsIRegistryNode> node;
-    nsIID nodeIID = NS_IREGISTRYNODE_IID;
     node = do_QueryInterface(base, &rv);
     if (NS_FAILED(rv)) 
       return rv;

mailnews/mime/src/mimemapl.cpp

@@ -96,11 +96,9 @@ MimeMultipartAppleDouble_parse_begin (MimeObject *obj)
 	  obj->options->write_html_p &&
 	  obj->options->output_fn)
 	{
-	  MimeDisplayOptions newopt = *obj->options;  /* copy it */
 	  char *id = 0;
 	  char *id_url = 0;
 	  char *id_imap = 0;
-	  PRBool all_headers_p = obj->options->headers == MimeHeadersAll;
 
 	  id = mime_part_address (obj);
 	  if (! id) return MIME_OUT_OF_MEMORY;