Fixed printf format strings in cases where the node count (an unsigned int)...

Fixed printf format strings in cases where the node count (an unsigned int) was being treated as an unsigned short.

src/common/env.c

@@ -1187,7 +1187,7 @@ env_array_for_step(char ***dest,
 	}
 
 	env_array_overwrite_fmt(dest, "SLURM_STEP_NUM_NODES",
-				"%hu", node_cnt);
+				"%u", node_cnt);
 	env_array_overwrite_fmt(dest, "SLURM_STEP_NUM_TASKS",
 				"%u", step->step_layout->task_cnt);
 	env_array_overwrite_fmt(dest, "SLURM_STEP_TASKS_PER_NODE", "%s", tpn);
@@ -1211,7 +1211,7 @@ env_array_for_step(char ***dest,
 	env_array_overwrite_fmt(dest, "SLURM_STEPID", "%u", step->job_step_id);
 	if (!preserve_env) {
 		env_array_overwrite_fmt(dest, "SLURM_NNODES",
-					"%hu", node_cnt);
+					"%u", node_cnt);
 		env_array_overwrite_fmt(dest, "SLURM_NTASKS", "%u",
 					step->step_layout->task_cnt);
 		/* keep around for old scripts */