tests: don't let the OMP_NUM_THREADS envvar affect sort tests

* tests/envvar-check (vars): Add OMP_NUM_THREADS.

diff --git a/tests/envvar-check b/tests/envvar-check
index 1dee9af..ac53ee4 100644 (file)
--- a/tests/envvar-check
+++ b/tests/envvar-check
@@ -34,6 +34,7 @@ vars='
   LANGUAGE
   LS_BLOCK_SIZE
   LS_COLORS
+  OMP_NUM_THREADS
   POSIXLY_CORRECT
   QUOTING_STYLE
   SIMPLE_BACKUP_SUFFIX