Add a couple of `extern' keywords

[originally from svn r181]

diff --git a/putty.h b/putty.h
index 85c856cecdb7451f75dc66f5509738ff39e5ee21..d8cd3e0986bb762406554afca8bafe1df25d8a44 100644 (file)
--- a/putty.h
+++ b/putty.h
@@ -190,13 +190,13 @@ void term_invalidate(void);
  * Exports from telnet.c.
  */
 
-Backend telnet_backend;
+extern Backend telnet_backend;
 
 /*
  * Exports from ssh.c.
  */
 
-Backend ssh_backend;
+extern Backend ssh_backend;
 
 /*
  * Exports from sshrand.c.