[PATCH 1/4] configure.ac: apply necessary quotes to result of macro expansion.

[Simon Horman]

On Tue, Feb 10, 2015 at 08:46:11PM +0800, Yousong Zhou wrote:
> This can fix the following error when searching for lzma support and
> while at it also apply the practice to other uses of the same pattern.
> 
> 	checking for lzma_code in -llzma... ./configure: line 4756: ac_fn_c_try_link: command not found

Thanks, I have applied this and the other three patches in the series.