Removed double entry for rar mimetype in "compress as" menu.

Fixed up lzma code for extraction (a minor part of the patch from Brian James
was mistakenly left out in the previous commit - thanks Brian James).

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

konq-plugins/arkplugin/arkplugin.cpp

@@ -325,7 +325,7 @@ void ArkMenu::compMimeTypes()
     }
 
     if ( !TDEStandardDirs::findExe( "rar" ).isNull() && m_conf->readBoolEntry( "UseRar", true ) )
-        m_archiveMimeTypes << "application/x-rar" << "application/x-rar-compressed";
+        m_archiveMimeTypes << "application/x-rar";
 
     if ( !TDEStandardDirs::findExe( "7z" ).isNull() && m_conf->readBoolEntry( "Use7z", true ) )
         m_archiveMimeTypes << "application/x-7z";
@@ -396,7 +396,7 @@ void ArkMenu::extMimeTypes()
         if ( havelzop )
             m_extractMimeTypes << "application/x-tzo";
         if ( havelzma )
-            m_extractMimeTypes << "application/x-lzma";
+            m_extractMimeTypes << "application/x-tlz";
         if ( havexz )
             m_extractMimeTypes << "application/x-txz";
     }