revised fix_flow_gauss

examples/USER/flow_gauss/README

@@ -42,4 +42,4 @@ The script has the following parts:
 		compute a pressure drop, you must correct this pressure 
 		profile as described in Strong 2016 above.
 	Vy_profile is the velocity profile inside the pipe along the 
-		y-direction, u_x(y).
+		y-direction, u_x(y).

examples/USER/flow_gauss/in.GD

@@ -255,4 +255,4 @@ dump 		7 bulk custom ${dump_rate} bulk.lammpstrj &
 		id type x y z 
 dump_modify	7 sort id
 
-run 		${run}
+run 		${run}