fix #747, 'hf mfu eload' - now detects and converts between plain/old/new mfu binary format

client/src/cmdhfmfu.h

@@ -18,19 +18,16 @@ typedef struct {
     uint8_t signature[32];
     //uint8_t counter[3];
     uint8_t data[1024];
-} old_mfu_dump_t;
-
+} PACKED old_mfu_dump_t;
 
 uint32_t GetHF14AMfU_Type(void);
 int ul_print_type(uint32_t tagtype, uint8_t spaces);
-
 void printMFUdump(mfu_dump_t *card);
 void printMFUdumpEx(mfu_dump_t *card, uint16_t pages, uint8_t startpage);
 
 int CmdHFMFUltra(const char *Cmd);
 
 uint16_t ul_ev1_packgen_VCNEW(uint8_t *uid, uint32_t pwd);
-
 uint32_t ul_ev1_otpgenA(uint8_t *uid);
 
 typedef enum TAGTYPE_UL {