Fixed detection of x13 binary on macOS.

Status Job ID Name Coverage
  Test
failed #2286
testsuite_matlab

00:00:52

failed #2287
allowed to fail
testsuite_octave

00:00:03

 
Name Stage Failure
failed
testsuite_matlab Test
    '/home/gitlab-runner/builds/2084817d/0/Dynare/dseries/src/utilities/x13/printspan.m                                        Unit test number  1  PASS    [ 0.008537 ]'
'/home/gitlab-runner/builds/2084817d/0/Dynare/dseries/src/utilities/x13/printspan.m Unit test number 2 PASS [ 0.004471 ]'
'/home/gitlab-runner/builds/2084817d/0/Dynare/dseries/src/utilities/x13/printspan.m Unit test number 3 PASS [ 0.004153 ]'
'/home/gitlab-runner/builds/2084817d/0/Dynare/dseries/src/utilities/x13/printstart.m Unit test number 1 PASS [ 0.003733 ]'
'/home/gitlab-runner/builds/2084817d/0/Dynare/dseries/src/utilities/x13/setdefaultmember.m Unit test number 1 PASS [ 0.002862 ]'

Makefile:11: recipe for target 'check-matlab' failed
make: *** [check-matlab] Error 1
ERROR: Job failed: exit status 1
failed
testsuite_octave Test
Checking out c51cfe6d as master...
Updating/initializing submodules...
$ git clone https://git.dynare.org/Dynare/m-unit-tests
Cloning into 'm-unit-tests'...
$ make check-octave
error: no such method or property `initialize'
Makefile:7: recipe for target 'check-octave' failed
make: *** [check-octave] Error 1
ERROR: Job failed: exit status 1