[PATCH] Fix another memory leak in regexp compiler (BZ #17069)

[Ondřej Bílka]

On Fri, Jun 20, 2014 at 12:43:18PM +0200, Andreas Schwab wrote:
> 	[BZ #17069]
>         * posix/regcomp.c (parse_reg_exp): Deallocate partially
> 	constructed tree before returning error.
> 	* posix/bug-regexp36.c: Expand test case.
> 
Looks ok.