New feature: iNES head editor

Author: owomomo

src/cart.h

@@ -1,3 +1,6 @@
+#ifndef CART_H
+#define CART_H
+
 typedef struct {
 	// Set by mapper/board code:
 	void (*Power)(void);
@@ -100,3 +103,5 @@ void FCEU_GeniePower(void);
 bool FCEU_OpenGenie(void);
 void FCEU_CloseGenie(void);
 void FCEU_KillGenie(void);
+
+#endif

src/drivers/win/cheat.cpp

@@ -1196,10 +1196,7 @@ void DoGGConv()
 		ShowWindow(hGGConv, SW_SHOWNORMAL);
 		SetForegroundWindow(hGGConv);
 	} else
-	{
 		hGGConv = CreateDialog(fceu_hInstance,"GGCONV",NULL,GGConvCallB);
-	}
-	return;
 }
 
 inline void GetCheatStr(char* buf, int a, int v, int c)