Add a couple of `extern' keywords

git-svn-id: svn://svn.tartarus.org/sgt/putty@181 cda61777-01e9-0310-a592-d414129be87e

diff --git a/putty.h b/putty.h
index 85c856c..d8cd3e0 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.