General code cleanups

* Use default member initializers
* Use range-based loops
* Don't use 'else' after 'return'
* Removed some unused includes
* Construct empty strings with std::string() instead of ""
* Clear strings with .clear() instead of assigning ""
* Check whether strings are empty with .empty() instead of comparing to ""
* Removed redundant initializations

1 files changed, 1 insertions, 1 deletions

diff --git a/src/net/playerhandler.h b/src/net/playerhandler.h
index 0d638ac1..de7bf827 100644
--- a/src/net/playerhandler.h
+++ b/src/net/playerhandler.h
@@ -30,7 +30,7 @@ namespace Net {
 class PlayerHandler
 {
     public:
-        virtual ~PlayerHandler() {}
+        virtual ~PlayerHandler() = default;
 
         virtual void attack(int id) = 0;