tree ad8696af8bdaa4a4d1611adb1ef0e36b8452fd36
parent 166e34213e4f4e2363ce058a7bcc69fd03e38b76
author DRC <information@libjpeg-turbo.org> 1578432188 -0600
committer DRC <information@libjpeg-turbo.org> 1578435323 -0600

Eliminate unnecessary NULL checks before free()

This programming practice (which exists in other code bases as well)
is a by-product of having used early C compilers that did not properly
handle free(NULL).  All modern compilers should properly handle that.

Fixes #398