MAINT-4292 FIXED Make Merchant Outbox Folder not movable (protected)

indra/llinventory/llfoldertype.cpp

@@ -93,7 +93,7 @@ LLFolderDictionary::LLFolderDictionary()
 	addEntry(LLFolderType::FT_MESH, 				new FolderEntry("mesh",	TRUE));
 
 	addEntry(LLFolderType::FT_INBOX, 				new FolderEntry("inbox",	TRUE));
-	addEntry(LLFolderType::FT_OUTBOX, 				new FolderEntry("outbox",	FALSE));
+	addEntry(LLFolderType::FT_OUTBOX, 				new FolderEntry("outbox",	TRUE));
 	
 	addEntry(LLFolderType::FT_BASIC_ROOT,			new FolderEntry("basic_rt", TRUE));