Update fix nvt examples

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@3978 f3b2605a-c512-4ea7-a41b-209d697bcdaa

examples/peptide/in.peptide

@@ -20,7 +20,7 @@ timestep	2.0
 thermo_style	multi
 thermo		50
 
-fix		1 all nvt temp 275.0 275.0 100.0
+fix		1 all nvt temp 275.0 275.0 100.0 tchain 1
 fix		2 all shake 0.0001 10 100 b 4 6 8 10 12 14 18 a 31
 
 group		peptide type <= 12

examples/prd/in.prd

@@ -64,7 +64,7 @@ pair_coeff * * Si.sw Si
 
 thermo          10
 
-fix             1 all nvt temp $t $t 0.1
+fix             1 all nvt temp $t $t 0.1 tchain 1
 
 timestep        1.0e-3
 neighbor        1.0 bin