suppression \n inutile

src/block2json.c

@@ -27,7 +27,7 @@ btc_bool read_(FILE* block_fd)
   uint64_t fees   = 0;
   char hash_hex_str[65];
 
-  printf("{\n");
+  printf("{");
 
   fread((void*) &val_uint32_t, sizeof(int32_t), 1, block_fd);
   printf("\n\"Height\"    : \"%u\",", val_uint32_t);