xmlterm changes only (not part of the default build).

xmlterm script fixed to work properly on Solaris.

extensions/xmlterm/scripts/xmlterm

@@ -24,7 +24,7 @@ else
       MOZILLA_DIR=`rpm -q --queryformat "%{INSTALLPREFIX}" xmlterm`
    fi
 
-   if [ ${#MOZILLA_DIR} -eq 0 ]
+   if [ ! "$MOZILLA_DIR" ]
    then
       # Assume command prefix points to mozilla directory
       MOZILLA_DIR=$PREFIX