print: fix: realloc was allocating too much memory
print: fix: realloc was allocating too much memory

Thanks @liuyunbin for reporting this in #230

DaveGamble/cJSON,FSMaxB/cJSON,FSMaxB/cJSON,FSMaxB/cJSON,FSMaxB/cJSON,DaveGamble/cJSON,DaveGamble/cJSON,DaveGamble/cJSON,FSMaxB/cJSON