allow mkfs arguments to be passed from the env for testing multiple

block sizes.

src/acl_get.c

@@ -35,6 +35,7 @@
  * using IRIX semantics or Linux semantics
  */
  
+#include <stdlib.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>

src/lstat64.c

@@ -31,6 +31,8 @@
  */
  
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <time.h>
 #include <sys/stat.h>
 #include <sys/sysmacros.h>