save LADSPA effect filenames without extension and add correct one (depending on platform built for) when loading settings - fixes missing effects when loading songs in Windows which were made in Linux and vice versa

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1561 0778d3d1-df1d-0410-868b-ea421aaaa00d

plugins/ladspa_effect/ladspa_subplugin_features.cpp

@@ -162,7 +162,14 @@ void ladspaSubPluginFeatures::listSubPluginKeys( plugin::descriptor * _desc,
 ladspa_key_t ladspaSubPluginFeatures::subPluginKeyToLadspaKey(
 							const key * _key )
 {
-	return( ladspa_key_t( _key->attributes["file"],
-						_key->attributes["plugin"] ) );
+	QString file = _key->attributes["file"].toLower();
+	return( ladspa_key_t( file.remove( QRegExp( "\\.so$" ) ).
+				remove( QRegExp( "\\.dll$" ) ) +
+#ifdef LMMS_BUILD_WIN32
+						".dll"
+#else
+						".so"
+#endif
+					, _key->attributes["plugin"] ) );
 }