Permissions: Fix missing initialization with 0 in some cases

permissions.cpp

@@ -27,6 +27,7 @@ Permissions::Permissions(int permissions)
 
 Permissions::Permissions(const std::string &str)
 {
+	this->permissions = 0;
 	for(auto permission : permmap)
 	{
 		if(str.find(permission.first) != std::string::npos)

permissions.h

@@ -17,7 +17,7 @@
 class Permissions
 {
   private:
-	int permissions;
+	int permissions = 0;
 	const std::map<std::string, int> permmap = {{"can_read", PERM_CAN_READ},
 												{"can_edit", PERM_CAN_EDIT},
 												{"can_page_history", PERM_CAN_PAGE_HISTORY},