revert: pidfd_open check

This change confused the pidfd_open check with the existance
of NR_pidfd_open

diff --git a/configure.ac b/configure.ac
index 1a3ccdb8f3f5bfdf8cc63a2f133f9a02ade59cf5..629881a6cbf93a88bd51226d7e7f6d7e6985eac5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -160,7 +160,7 @@ AC_TRY_COMPILE([#include <errno.h>],
                AC_MSG_RESULT(yes),
                AC_MSG_RESULT(no))
 
-AC_CHECK_FUNCS([pidfd_open], [enable_pidwait=yes], [
+AC_CHECK_FUNC([pidfd_open], [enable_pidwait=yes], [
   AC_MSG_CHECKING([for __NR_pidfd_open])
   AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <sys/syscall.h>