Make headers standalone (missing includes, prep for clang-tidy)

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/xfuncs.h b/xfuncs.h
index 61577ec..5781d61 100644
--- a/xfuncs.h
+++ b/xfuncs.h
@@ -9,6 +9,8 @@
 #ifndef __XFUNCS_H__
 #define __XFUNCS_H__
 
+#include <stddef.h>
+
 char *xstrdup(const char *s);
 void *xmalloc(size_t size);
 void *xzalloc(size_t size);