Fix crash on saving new file (severe)

gui.py

@@ -339,9 +339,9 @@ class DocumentWindow(QMainWindow):
     def menuFileSaveAction(self):
         self.updateDocument()
 
+        if self.currentFilePath:
             fileExt = os.path.splitext(self.currentFilePath)[1].lower()
-
-        if self.currentFilePath and fileExt != ".cma":
+            if fileExt != ".cma":
                 # Chordsheet Macro files can't be saved at this time
                 self.saveFile(self.currentFilePath)
         else: