C4Extra: Merge ctor/Default, dtor/Clear

src/c4group/C4Extra.cpp

@@ -23,12 +23,11 @@
 #include <C4Game.h>
 #include <C4Log.h>
 
-void C4Extra::Default()
+C4Extra::C4Extra()
 {
-	// zero fields
 }
 
-void C4Extra::Clear()
+C4Extra::~C4Extra()
 {
 	// free class members
 	for(unsigned int i = 0; i < ExtraGroups.size(); ++i)

src/c4group/C4Extra.h

@@ -23,10 +23,8 @@
 class C4Extra
 {
 public:
-	C4Extra() { Default(); };     // ctor
-	~C4Extra() { Clear(); };      // dtor
-	void Default(); // zero fields
-	void Clear();   // free class members
+	C4Extra();
+	~C4Extra();
 
 	bool Init();      // init extra group, using scneario presets
 	bool InitGroup(); // open extra group