diff -x '*~' -ur opencdk-0.5.5/configure.ac opencdk-0.5.5-fbsd/configure.ac
--- opencdk-0.5.5/configure.ac	2004-06-05 19:46:31.000000000 +0200
+++ opencdk-0.5.5-fbsd/configure.ac	2005-06-10 14:48:35.280967896 +0200
@@ -76,7 +76,7 @@
 
 AC_STDC_HEADERS
 
-AC_HAVE_HEADERS(stdio.h string.h pwd.h netdb.h)
+AC_HAVE_HEADERS(stdio.h string.h pwd.h netdb.h malloc.h)
 
 if test "$GCC" = yes; then
     CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
diff -x '*~' -ur opencdk-0.5.5/src/encrypt.c opencdk-0.5.5-fbsd/src/encrypt.c
--- opencdk-0.5.5/src/encrypt.c	2003-11-13 13:54:06.000000000 +0100
+++ opencdk-0.5.5-fbsd/src/encrypt.c	2005-06-10 15:00:43.709229968 +0200
@@ -24,7 +24,9 @@
 #endif
 #include <stdio.h>
 #include <stdarg.h>
+#ifdef HAVE_MALLOC_H
 #include <malloc.h>
+#endif
 #include <assert.h>
 
 #include "opencdk.h"
diff -x '*~' -ur opencdk-0.5.5/src/main.c opencdk-0.5.5-fbsd/src/main.c
--- opencdk-0.5.5/src/main.c	2003-10-31 08:19:26.000000000 +0100
+++ opencdk-0.5.5-fbsd/src/main.c	2005-06-10 14:47:43.100900472 +0200
@@ -24,7 +24,9 @@
 #endif
 #include <stdio.h>
 #include <errno.h>
+#ifdef HAVE_MALLOC_H
 #include <malloc.h>
+#endif
 #ifdef HAVE_PWD_H
 # include <pwd.h>
 #endif
diff -x '*~' -ur opencdk-0.5.5/src/misc.c opencdk-0.5.5-fbsd/src/misc.c
--- opencdk-0.5.5/src/misc.c	2003-11-13 13:53:02.000000000 +0100
+++ opencdk-0.5.5-fbsd/src/misc.c	2005-06-10 15:00:45.919893896 +0200
@@ -27,7 +27,9 @@
 #include <string.h>
 #include <ctype.h>
 #include <time.h>
+#ifdef HAVE_MALLOC_H
 #include <malloc.h>
+#endif
 
 #include "opencdk.h"
 #include "main.h"