Small fixes

jobhelper.sh

@@ -73,7 +73,7 @@ function j_init(){
 
   # for date definitions like weekdays
   JOBDEF_LANG=`_j_getvar ${JOBFILE} "lang"`
-  if [ -z $JOBDEF_LANG ]; then
+  if [ -z "$JOBDEF_LANG" ]; then
     JOBDEF_LANG="en_us"
   fi
   export LANG=$JOBDEF_LANG