ob: declare variable to appease compiler

* lisp/ob.el (org-babel-inline-lob-one-liner-regexp): Declare variable
  to appease compiler.

lisp/ob.el

@@ -1328,6 +1328,7 @@ region is not active then the point is demarcated."
 	(goto-char start) (move-end-of-line 1)))))
 
 (defvar org-babel-lob-one-liner-regexp)
+(defvar org-babel-inline-lob-one-liner-regexp)
 (defun org-babel-where-is-src-block-result (&optional insert info hash indent)
   "Find where the current source block results begin.
 Return the point at the beginning of the result of the current