minor fixes

setups/vestibular chair/vPrime/core/pb_vRunExp.m

@@ -89,6 +89,7 @@ function pb_vRunExp(handles)
          if elapsedTime < dur; pause(dur-floor(elapsedTime)); end          % wait untill chair is finished running before disabling.
          pb_stopServo(vs);
          Dat = pb_readServo(vs);
+         delete(vs);
       end
 
       %  stop recording

subtools/servo/pb_stopServo.m

@@ -9,7 +9,6 @@ function pb_stopServo(vs)
 
    vs.stop;
    vs.disable;
-   delete(vs);
 end
  
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