fix macro recordability - remove " " from gd label

While it was nice to have the label text read
Show "Save PDF" Dialog
the escaped " "  didnt play nice with the macro recorder, so we can live
without the " ".

src/main/java/Coloc_2.java

@@ -247,7 +247,7 @@ public boolean showDialog() {
 		gd.addChoice("Threshold regression", regressions,
 				regressions[indexRegr]);
 
-		gd.addCheckbox("Show_\"Save_PDF\"_Dialog", autoSavePdf);
+		gd.addCheckbox("Show_Save_PDF_Dialog", autoSavePdf);
 		gd.addCheckbox("Display_Images_in_Result", displayImages);
 		gd.addCheckbox("Display_Shuffled_Images", displayShuffledCostes);
 		final Checkbox shuffleCb = (Checkbox) gd.getCheckboxes().lastElement();