Fix a memory leak in FcFreeTypeQuery*()

Fixes fontconfig/fontconfig#170
3 jobs for master in 16 minutes and 13 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #449058
mingw-build

00:05:05

passed #449056
shared-build

00:16:13

passed #449057
static-build

00:14:53

 
Name Stage Failure
failed
mingw-build Build
make[1]: Leaving directory '/builds/tagoh/fontconfig/build-fontconfig-e2f9f28aed1470a07c33a57940d68b6a3cbe235b-449058/test'
make: *** [Makefile:599: check-recursive] Error 1
Uploading artifacts...
build-*/*.log: found 1 matching files
build-*/test/*.log: found 7 matching files

build-*/test/*.trs: found 6 matching files

build-*/test/out*: found 3 matching files

Uploading artifacts to coordinator... ok
id=449058 responseStatus=201 Created token=rqpgMzBz
ERROR: Job failed: exit code 1