Include a missing header, and change a mktemp(3), mkdir(2) sequence to

mkdtemp(3).

Approved by:	murray

usr.bin/window/scanner.c

@@ -44,6 +44,7 @@ static char rcsid[] = "@(#)$FreeBSD$";
 #include "token.h"
 #include "context.h"
 #include "string.h"
+#include "mystring.h"
 
 s_getc()
 {

usr.bin/window/wwterminfo.c

@@ -64,8 +64,7 @@ wwterminfoinit()
 
 		/* make the directory */
 	(void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
-	mktemp(wwterminfopath);
-	if (mkdir(wwterminfopath, 0755) < 0 ||
+	if (mkdtemp(wwterminfopath) < 0 ||
 	    chmod(wwterminfopath, 00755) < 0) {
 		wwerrno = WWE_SYS;
 		return -1;