Fix typo in whatnow2 function "display"

The attached patch fixes a typo in the whatnow2's "display" function.
[ -z instand of [ -n for a check if a variable is empty.

diff --git a/uip/whatnow2.sh b/uip/whatnow2.sh
index a4a2cc5..dbddb55 100755 (executable)
--- a/uip/whatnow2.sh
+++ b/uip/whatnow2.sh
@@ -213,7 +213,7 @@ display()
 {
        mhaltmsg=`anno -list -component 'mhaltmsg' $mhmetafile`
        get_showproc
-       if [ -n "$mhaltmsg" ]
+       if [ -z "$mhaltmsg" ]
        then
                echo "no altmsg" 1>&2
                exit 1