Fix unneeded horizontal scroll bar

Author: AmnonOwed

pdex/src/processing/mode/experimental/CompletionPanel.java

@@ -212,7 +212,7 @@ private int calcWidth() {
  if(w == maxWidth) 
  horizontalScrollBarVisible = true;
  w += editor.dmode.classIcon.getIconWidth(); // add icon width too!
- w += fm.stringWidth(" "); // a bit of offset
+ w += fm.stringWidth("  "); // a bit of offset
  //log("popup width " + w);
  return w; // popup menu width
  }