xfstests: exit non-0 if fs check fails

Right now if any of the _check_scratch_fs tests etc fail,
the check script exits but with 0 status.

This change will cause the status to be non-0 so we can detect
the error.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: David Chinner <david@fromorbit.com>

common.rc

@@ -966,7 +966,11 @@ _check_generic_filesystem()
 	ok=$?
     fi
 
-    [ $ok -eq 0 ] && exit 1
+    if [ $ok -eq 0 ]; then
+	status=1
+	exit 1
+    fi
+
     return 0
 }
 
@@ -1059,7 +1063,11 @@ _check_xfs_filesystem()
 	_mount_or_remount_rw "$extra_mount_options" $device $mountpoint
     fi
 
-    [ $ok -eq 0 ] && exit 1
+    if [ $ok -eq 0 ]; then
+	status=1
+	exit 1
+    fi
+
     return 0
 }