latency tracer: Free params struct at startup

Free the structure that's used to parse configuration
arguments from the environment variable at startup,
to fix a valgrind leak report.
29 jobs for latency-tracer-fixes in 45 minutes and 30 seconds (queued for 49 seconds)
latest
Status Job ID Name Coverage
  Preparation
passed #584675
gst indent

00:00:40

passed #584674
manifest

00:00:36

 
  Build
passed #584685
build cerbero android universal

00:19:01

passed #584686
build cerbero cross win32

00:12:45

passed #584687
build cerbero cross win64

00:10:22

passed #584684
build cerbero fedora x86_64

00:07:29

manual #584689
gst-ios-12.2 allowed to fail manual
build cerbero ios universal
passed #584688
gst-macos-10.14
build cerbero macos x86_64

00:08:38

passed #584680
build clang fedora x86_64

00:08:09

passed #584676
build fedora x86_64

00:06:11

passed #584683
docker windows 1607
build msys2

00:10:05

passed #584677
build nodebug fedora x86_64

00:05:08

passed #584678
build static fedora x86_64

00:13:32

passed #584679
build static nodebug fedora x86_64

00:04:23

passed #584681
docker windows 1607
build vs2017 amd64

00:09:43

passed #584682
docker windows 1607
build vs2017 x86

00:09:23

 
  Test
passed #584690
check fedora

00:06:22

failed #676047
integration testsuites fedora

passed #584696
valgrind bad

00:11:50

passed #584693
valgrind base

00:16:08

failed #676046
valgrind core

passed #584697
valgrind ges

00:09:19

passed #584694
valgrind good

00:16:33

passed #584695
valgrind ugly

00:03:01

failed #584691
integration testsuites fedora

00:21:29

failed #584692
valgrind core

00:20:38

 
  Integrate
passed #584698
android universal examples

00:11:28

passed #584699
documentation

00:03:54

canceled #584700
gst-ios-12.2 allowed to fail manual
ios universal examples

 
Name Stage Failure
failed
integration testsuites fedora Test There has been a missing dependency failure
No job log
failed
valgrind core Test There has been a missing dependency failure
No job log