silence some compiler warnings

Actually, most of this commit is adding (void) to various function returns
where we know its ok to ignore the return value. This doesn't actually
silence the -Wunused-result warning (thanks a bundle gcc), but at least
it marks our intentions.

1 files changed, 1 insertions, 1 deletions

diff --git a/thread.h b/thread.h
index 15d2665047..de23d75559 100644
--- a/thread.h
+++ b/thread.h
@@ -336,7 +336,7 @@
 #  define ALLOC_THREAD_KEY \
     STMT_START {						\
 	if (pthread_key_create(&PL_thr_key, 0)) {		\
-            write(2, STR_WITH_LEN("panic: pthread_key_create failed\n")); \
+            (void)write(2, STR_WITH_LEN("panic: pthread_key_create failed\n")); \
 	    exit(1);						\
 	}							\
     } STMT_END