Fix spelling

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Haakan T Johansson <f96hajo@chalmers.se>
Closes #5547 
Closes #5543

scripts/zpios-profile/zpios-profile.sh

@@ -91,7 +91,7 @@ check_pid() {
 }
 
 # NOTE: This whole process is crazy slow but it will do for now
-aquire_pids() {
+acquire_pids() {
 	echo "--- Aquiring ZFS pids ---"
 
 	for PID in `ls /proc/ | grep [0-9] | sort -n -u`; do
@@ -218,7 +218,7 @@ log_pids() {
 	done
 }
 
-aquire_pids
+acquire_pids
 log_pids
 
 # rm ${PROFILE_PID}