Prevent open-line-above/below from doing completion if no indentation is needed

configuration.org

@@ -485,7 +485,9 @@ Non-nil REVERSE means to sort in reverse order."
   (beginning-of-line)
   (newline)
   (forward-line -1)
-  (indent-for-tab-command))
+  (let ((tab-always-indent t)
+	      (c-tab-always-indent t))
+    (indent-for-tab-command)))
 #+end_src
 
 *** Open a new line below
@@ -500,7 +502,9 @@ Copied from [[http://whattheemacsd.com/editing-defuns.el-01.html][whattheemacsd.
 
   (end-of-line)
   (newline)
-  (indent-for-tab-command))
+  (let ((tab-always-indent t)
+        (c-tab-always-indent t))
+    (indent-for-tab-command)))
 #+end_src
 
 *** Insert the current file’s name at point