include <stddef.h> so that ptrdiff_t is again available

diff --git a/include/libbb.h b/include/libbb.h
index 0016d839fb5250ec272b12044b19a035d161ad23..91d458f50c729e70cd97b6ea5f0e165fd8fdd500 100644 (file)
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include <stddef.h>
 #include <string.h>
 #include <strings.h>
 #include <sys/ioctl.h>