Added a proper contructor to CHEATF_SUBFAST struct to fix clang compiler initializer warning.

src/cheat.cpp

@@ -59,7 +59,7 @@ void FCEU_CheatAddRAM(int s, uint32 A, uint8 *p)
 }
 
 
-CHEATF_SUBFAST SubCheats[256] = { 0 };
+CHEATF_SUBFAST SubCheats[256];
 uint32 numsubcheats = 0;
 int globalCheatDisabled = 0;
 int disableAutoLSCheats = 0;

src/cheat.h

@@ -33,12 +33,18 @@ extern int disableAutoLSCheats;
 int FCEU_DisableAllCheats(void);
 int FCEU_DeleteAllCheats(void);
 
-typedef struct {
+struct CHEATF_SUBFAST
+{
 	uint16 addr;
 	uint8 val;
 	int compare;
 	readfunc PrevRead;
-} CHEATF_SUBFAST;
+
+	CHEATF_SUBFAST(void)
+	{
+		addr = 0; val = 0; compare = 0; PrevRead = nullptr;
+	}
+};
 
 struct CHEATF {
 	struct CHEATF *next;