[libvirt] [PATCH] maint: correct quoting for gl_WARN_ADD

[Andrea Bolognani]

On Thu, 2017-08-24 at 16:13 -0500, Eric Blake wrote:
> 3 out of 4 uses of gl_WARN_ADD() were incorrectly adding "" around
> the argument, which in turn resulted in the argument being used
> unquoted (configure had gl_positive=""-fstack-protector-all"",
> rather than the intended gl_positive="-fstack-protector-all").
> 
> Signed-off-by: Eric Blake <eblake at redhat.com>
> ---
>  m4/virt-compile-warnings.m4 | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Andrea Bolognani <abologna at redhat.com>

-- 
Andrea Bolognani / Red Hat / Virtualization