[RFC kvm-unit-tests 01/27] lib/string: include stddef.h for size_t

[Joey Gouly <joey.gouly@xxxxxxx>]

Don't implicitly rely on this header being included.

Signed-off-by: Joey Gouly <joey.gouly@xxxxxxx>
---
 lib/string.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/string.h b/lib/string.h
index b07763ea..758dca8a 100644
--- a/lib/string.h
+++ b/lib/string.h
@@ -7,6 +7,8 @@
 #ifndef _STRING_H_
 #define _STRING_H_
 
+#include <stddef.h>  /* For size_t */
+
 extern size_t strlen(const char *buf);
 extern size_t strnlen(const char *buf, size_t maxlen);
 extern char *strcat(char *dest, const char *src);
-- 
2.17.1