Getting EGD socket name from environment

[gnupg-devel at thewrittenword.com]

Is it useful to get the EGD socket name from the environment and
falling back to the --with-egd-socket name when not found? The patch
below is against 1.0.4.

-- 
albert chin (china at thewrittenword.com)

-- snip snip
--- cipher/rndegd.c.orig	Sun Mar  4 23:48:44 2001
+++ cipher/rndegd.c	Sun Mar  4 23:55:04 2001
@@ -118,9 +118,16 @@
 	char *name;
 	struct sockaddr_un addr;
 	int addr_len;
-      
       #ifdef EGD_SOCKET_NAME
-        bname = EGD_SOCKET_NAME;
+        char *egd_socket_env;
+      #endif
+
+      #ifdef EGD_SOCKET_NAME
+        egd_socket_env = getenv ("RANDFILE");
+        if (egd_socket_env)
+            bname = egd_socket_env;
+        else
+            bname = EGD_SOCKET_NAME;
       #endif
         if ( !bname || !*bname )
             bname = "entropy";