tutorials: corrected scripts ']; then' -> ' ]; then'

Patch contributed by Bruno Santos
Resolves bug-report http://bugs.openfoam.org/view.php?id=2175

tutorials/compressible/rhoCentralFoam/biconic25-55Run35/sampleCone

@@ -25,7 +25,7 @@ USAGE
 unset timeOpt
 
 # parse options
-while [ "$#" -gt 0]
+while [ "$#" -gt 0 ]
 do
     case "$1" in
     -h | -help)

tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles

@@ -71,7 +71,7 @@ for xi in $(seq 1 1 $nx); do
            echo "processing cube $n"
 
            pad=""
-           if [ $n -lt 10]; then
+           if [ $n -lt 10 ]; then
                pad="0"
            fi