cfg_parse_boolean's REQUIRE test for ret was incomplete.

(cherry picked from commit f1ee5e4a)
7 jobs for 366-missing-dereference-in-require-statement-v9_10 in 5 minutes and 21 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Precheck
passed #21055
linux docker amd64
precheck:debian:sid:amd64

00:00:11

 
  Build
passed #21056
linux docker amd64
build:debian:sid:amd64

00:01:25

passed #21057
linux docker i386
build:debian:sid:i386

00:01:28

 
  Test
passed #21060
linux docker amd64
systemtest:debian:sid:amd64

00:03:41

passed #21061
linux docker i386
systemtest:debian:sid:i386

00:03:41

passed #21058
linux docker amd64
unittest:debian:sid:amd64

00:00:44

passed #21059
linux docker i386
unittest:debian:sid:i386

00:00:42