Fixed wrong node value.

nwchem/6.6/cle5.2_gnu5.1.0/retest

@@ -53,7 +53,7 @@ cat > ${PACKAGE}.pbs << EOF
 #!/bin/bash
 #PBS -N ${PACKAGE}
 #PBS -j oe
-#PBS -l nodes=4:ppn=32,walltime=2:00:00
+#PBS -l nodes=8:ppn=32,walltime=2:00:00
 
 cd \$PBS_O_WORKDIR