Update build.func

tweak

misc/build.func

@@ -474,6 +474,7 @@ start() {
       echo -e "⚠  User exited script \n"
       exit
     fi
+    SPINNER_PID=""
     install_script
   fi
 
@@ -590,4 +591,4 @@ description() {
   if [[ -f /etc/systemd/system/ping-instances.service ]]; then
     systemctl start ping-instances.service
   fi
-}
+}