build-sys: use #if Y instead of #ifdef Y everywhere

[thirdparty/systemd.git] / src / basic / memfd-util.c

diff --git a/src/basic/memfd-util.c b/src/basic/memfd-util.c
index 8c8cc78ebf9bcac2b15cbaffe86a34e4bd400376..8f4f0e3a24803bc63361c50f9dafc4e2cae1ff96 100644 (file)
--- a/src/basic/memfd-util.c
+++ b/src/basic/memfd-util.c
@@ -21,7 +21,7 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#ifdef HAVE_LINUX_MEMFD_H
+#if HAVE_LINUX_MEMFD_H
 #include <linux/memfd.h>
 #endif
 #include <stdio.h>