Remove -q passed to grep in gcc-plugin.m4

[Eric Botcazou]

The option is not supported on the original Solaris' grep.  Given that there 
is also a redirection to /dev/null at the end, it is superfluous.

Tested on x86_64-suse-linux, applied on the mainline as obvious.


2018-02-06  Eric Botcazou  <ebotcazou@adacore.com>

config/
	* gcc-plugin.m4 (GCC_ENABLE_PLUGINS): Remove -q option passed to grep.


2018-02-06  Eric Botcazou  <ebotcazou@adacore.com>

gcc/
	* configure: Regenerate.

-- 
Eric Botcazou
-------------- next part --------------
A non-text attachment was scrubbed...
Name: p.diff
Type: text/x-patch
Size: 1009 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20180206/cff6a2dc/attachment.bin>