Modifiy amptest.sh to run ampctl from the build directory

tests/amptest.sh

@@ -1,22 +1,22 @@
 #!/bin/sh
 # for the dummy amp values toggle between two likely values one each call
 # Note FAULT is a string return
-ampctl l FAULT l FAULT
+./ampctl l FAULT l FAULT
 # Note SWR is a float return
-ampctl l SWR l SWR 
+./ampctl l SWR l SWR 
 # All other values are integer
-ampctl l NH l NH
-ampctl l PF l PF
-ampctl l PWRINPUT l PWRINPUT
-ampctl l PWRFORWARD l PWRFORWARD
-ampctl l PWRREFLECTED l PWRREFLECTED
-ampctl l PWRPEAK l PWRPEAK
+./ampctl l NH l NH
+./ampctl l PF l PF
+./ampctl l PWRINPUT l PWRINPUT
+./ampctl l PWRFORWARD l PWRFORWARD
+./ampctl l PWRREFLECTED l PWRREFLECTED
+./ampctl l PWRPEAK l PWRPEAK
 # Powerstat 0=Off, 1=On, 2=Standbyd, 4=Operate, 8=Unknown
-ampctl \set_powerstat 0
-ampctl \set_powerstat 1
-ampctl \set_powerstat 2
-ampctl \set_powerstat 4
-ampctl \set_powerstat 8
+./ampctl \set_powerstat 0
+./ampctl \set_powerstat 1
+./ampctl \set_powerstat 2
+./ampctl \set_powerstat 4
+./ampctl \set_powerstat 8
 # Sets/reads tuner frequenchy
-ampctl F 14074000
-ampctl f
+./ampctl F 14074000
+./ampctl f