update code size for header

Author: amatilda

hardware/arduino/zunoG2/cores/LLCore/LLCore.c

@@ -96,7 +96,7 @@ void * zunoJumpTable(int vec, void * data);
 ZUNOCodeHeader_t g_zuno_codeheader __attribute__((section(".sketch_struct"))) =  {
                                                                                     {'Z','M','E','Z','U','N','O','C'}, 
                                                                                     ZUNO_CORE_VERSION_MAJOR, ZUNO_CORE_VERSION_MINOR, 
-                                                                                    0x0000, 0x0000, 
+                                                                                    0x0000, 0x0000, 0x0000,
                                                                                     SKETCH_FLAGS, 
                                                                                     SKETCH_FWID, 
                                                                                     (uint32_t)&zunoJumpTable, 

hardware/arduino/zunoG2/cores/LLCore/LLCore.h

@@ -16,8 +16,9 @@ typedef struct ZUNOCodeHeader_s{
     char        sign[8];
     uint8_t     version_major;
     uint8_t     version_minor;
-    uint16_t    code_size;
+    uint16_t    code_size_1;
     uint16_t    crc16;
+    uint16_t    code_size_2;
     uint32_t    flags;
     uint16_t    fwId;
     uint32_t    jumptable_offset;