regress: fix $() to `` for solaris

diff --git a/regress/tests/exclude-dir-test b/regress/tests/exclude-dir-test
index ec7d858567f1c0274b9b260a39d174d0d4980124..ee420e170d841ac7249a9893ec1cd93b127d65ec 100755 (executable)
--- a/regress/tests/exclude-dir-test
+++ b/regress/tests/exclude-dir-test
@@ -79,7 +79,7 @@ fi
 
 # build/po is included 2 times with a different exclude file
 # we shouldn't see scripts and bin
-nb=$(grep -e 'build/po/fr.po$' $tmp/log3.out | wc -l)
+nb=`grep -e 'build/po/fr.po$' $tmp/log3.out | wc -l`
 if [ $nb != 2 ]; then
     print_debug "ERROR: Should see fr.po two times"
     bstat=2