Rename CNSharedData namespace to CNShared to match the filename

src/core/CNShared.cpp

@@ -5,22 +5,22 @@
 #else
     #include <mutex>
 #endif
-std::map<int64_t, Player> CNSharedData::players;
+std::map<int64_t, Player> CNShared::players;
 std::mutex playerCrit;
 
-void CNSharedData::setPlayer(int64_t sk, Player& plr) {
+void CNShared::setPlayer(int64_t sk, Player& plr) {
     std::lock_guard<std::mutex> lock(playerCrit); // the lock will be removed when the function ends
 
     players[sk] = plr;
 }
 
-Player CNSharedData::getPlayer(int64_t sk) {
+Player CNShared::getPlayer(int64_t sk) {
     std::lock_guard<std::mutex> lock(playerCrit); // the lock will be removed when the function ends
 
     return players[sk];
 }
 
-void CNSharedData::erasePlayer(int64_t sk) {
+void CNShared::erasePlayer(int64_t sk) {
     std::lock_guard<std::mutex> lock(playerCrit); // the lock will be removed when the function ends
 
     players.erase(sk);

src/core/CNShared.hpp

@@ -10,7 +10,7 @@
 
 #include "Player.hpp"
 
-namespace CNSharedData {
+namespace CNShared {
     // serialkey corresponds to player data
     extern std::map<int64_t, Player> players;