err: fix warn-unused-result warning in test (-O2)
authorRusty Russell <rusty@rustcorp.com.au>
Tue, 25 Oct 2016 04:44:33 +0000 (15:14 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 25 Oct 2016 04:44:33 +0000 (15:14 +1030)
commit1de204600b76e0bfba1f0cebdd2a6a62a04e9e70
tree49d030e207271815b5ce3786ecec4a1aec781f60
parente589d16bb2fd92366c02217d5ba6ca6a77ac3515
err: fix warn-unused-result warning in test (-O2)

/home/rusty/devel/cvs/ccan/ccan/err/test/run.c:124:2: warning: ignoring return value of ‘pipe’, declared with attribute warn_unused_result [-Wunused-result]
  pipe(pfd);

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
ccan/err/test/run.c