Fix error in testing whether the tbl file exists.

Author: TimoLin

examples/dfLowMachFoam/fgm/twoD_SandiaD_flareFGM/Allrun

@@ -1,7 +1,7 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
 
-if [ -e flare_CH4_SandiaD_4D.tbl]
+if [ -e flare_CH4_SandiaD_4D.tbl ]
 then
     echo "flare_CH4_SandiaD_4D.tbl exists. Make sure correct table has been used!"
 else