QPBFImagePlugin memory leak(valgrind log) about qtpbfimageplugin HOT 2 CLOSED

[tumic@tumic build-pbf2png-Desktop-Debug]$ valgrind --leak-check=yes ./pbf2png -O /tmp/png /tmp/mvt
==7266== Memcheck, a memory error detector
==7266== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==7266== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
==7266== Command: ./pbf2png -O /tmp/png /tmp/mvt
==7266== 
==7266== 
==7266== HEAP SUMMARY:
==7266==     in use at exit: 364,531 bytes in 7,650 blocks
==7266==   total heap usage: 437,497 allocs, 429,847 frees, 443,424,247 bytes allocated
==7266== 
==7266== LEAK SUMMARY:
==7266==    definitely lost: 0 bytes in 0 blocks
==7266==    indirectly lost: 0 bytes in 0 blocks
==7266==      possibly lost: 0 bytes in 0 blocks
==7266==    still reachable: 364,531 bytes in 7,650 blocks
==7266==         suppressed: 0 bytes in 0 blocks
==7266== Reachable blocks (those to which a pointer was found) are not shown.
==7266== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==7266== 
==7266== For lists of detected and suppressed errors, rerun with: -s
==7266== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)