Add new program dhparam and update docs.
diff --git a/apps/progs.h b/apps/progs.h
index e60df2a..2bd335c 100644
--- a/apps/progs.h
+++ b/apps/progs.h
@@ -5,6 +5,7 @@
 extern int req_main(int argc,char *argv[]);
 extern int dgst_main(int argc,char *argv[]);
 extern int dh_main(int argc,char *argv[]);
+extern int dhparam_main(int argc,char *argv[]);
 extern int enc_main(int argc,char *argv[]);
 extern int gendh_main(int argc,char *argv[]);
 extern int errstr_main(int argc,char *argv[]);
@@ -51,6 +52,9 @@
 #ifndef NO_DH
 	{FUNC_TYPE_GENERAL,"dh",dh_main},
 #endif
+#ifndef NO_DH
+	{FUNC_TYPE_GENERAL,"dhparam",dhparam_main},
+#endif
 	{FUNC_TYPE_GENERAL,"enc",enc_main},
 #ifndef NO_DH
 	{FUNC_TYPE_GENERAL,"gendh",gendh_main},