(internal) GetSelectionIndexOfPlayer -> GetPlayerSelectionIndex; less wordy

src/ScreenSelectMaster.cpp

@@ -930,7 +930,7 @@ float ScreenSelectMaster::GetCursorY( PlayerNumber pn )
 class LunaScreenSelectMaster: public Luna<ScreenSelectMaster>
 {
 public:
-	static int GetSelectionIndex( T* p, lua_State *L ) { lua_pushnumber( L, p->GetSelectionIndexOfPlayer(Enum::Check<PlayerNumber>(L, 1)) ); return 1; }
+	static int GetSelectionIndex( T* p, lua_State *L ) { lua_pushnumber( L, p->GetPlayerSelectionIndex(Enum::Check<PlayerNumber>(L, 1)) ); return 1; }
 	// should I even bother adding this? -aj
 	// would have to make a public function to get this in ssmaster.h:
 	// m_aGameCommands[i].m_sName

src/ScreenSelectMaster.h

@@ -40,7 +40,7 @@ public:
 	virtual bool AllowLateJoin() const { return true; }
 
 	// sm-ssc additions:
-	int GetSelectionIndexOfPlayer(PlayerNumber pn){ return GetSelectionIndex(pn); }
+	int GetPlayerSelectionIndex(PlayerNumber pn){ return GetSelectionIndex(pn); }
 
 	// Lua
 	virtual void PushSelf( lua_State *L );