Fix CentOS/RedHat test in regress

diff --git a/regress/scripts/get-os b/regress/scripts/get-os
index 2a1cfed6560cd9520204ed6abf2653e777a59a08..a71100423395b4c9ca570f0524d6901b6e546f41 100755 (executable)
--- a/regress/scripts/get-os
+++ b/regress/scripts/get-os
@@ -385,7 +385,7 @@ then
        DISTNAME=redhat
 elif test -f /etc/redhat-release
 then
-       if test `grep CentOS /etc/redhat-release`
+       if test `grep -q CentOS /etc/redhat-release`
        then
            DISTNAME=redhat
        else