validation: rtems_task_construct() errors

This is the first test case generated from a specification item in the
rtems-central repository.

Update #3959.

spec/build/testsuites/validation/validation-0.yml

@@ -11,6 +11,7 @@ includes: []
 ldflags: []
 links: []
 source:
+- testsuites/validation/tc-task-construct-errors.c
 - testsuites/validation/ts-validation-0.c
 stlib: []
 target: testsuites/validation/ts-validation-0.exe