http://bugs.gentoo.org/326545

--- a/nasl/nasl_crypto.c
+++ b/nasl/nasl_crypto.c
@@ -22,7 +22,9 @@
   */
 #include <includes.h>
 #ifdef HAVE_SSL
+#ifdef HAVE_OPENSSL_MD2_H
 #include <openssl/md2.h>
+#endif
 #include <openssl/md4.h>
 #include <openssl/md5.h>
 #include <openssl/ripemd.h>
@@ -45,6 +47,7 @@
 
 
 /*-------------------[  Std. HASH ]-------------------------------------*/
+#ifdef HAVE_OPENSSL_MD2_H
 tree_cell * nasl_md2(lex_ctxt * lexic)
 {
  char * data = get_str_var_by_num(lexic, 0);
@@ -63,6 +66,7 @@
  retc->size = MD2_DIGEST_LENGTH;
  return retc;
 }
+#endif
 
 tree_cell * nasl_md4(lex_ctxt * lexic)
 {
@@ -192,12 +196,12 @@
  return retc;
 }
 
-
+#ifdef HAVE_OPENSSL_MD2_H
 tree_cell * nasl_hmac_md2(lex_ctxt * lexic)
 {
  return nasl_hmac(lexic, EVP_md2());
 }
-
+#endif
 
 tree_cell * nasl_hmac_md5(lex_ctxt * lexic)
 {