Fixed dash-as-minus warning in libssh2_base64_decode.3 manpage

docs/libssh2_base64_decode.3

@@ -1,4 +1,4 @@
-.\" $Id: libssh2_base64_decode.3,v 1.2 2008/12/26 07:37:55 bagder Exp $
+.\" $Id: libssh2_base64_decode.3,v 1.3 2009/02/17 16:22:51 dottedmag Exp $
 .\"
 .TH libssh2_base64_decode 3 "23 Dec 2008" "libssh2 1.0" "libssh2 manual"
 .SH NAME
@@ -24,4 +24,4 @@ The memory that *dest points to is allocated by the malloc function libssh2
 uses, but there's no way for an appliction to free this data in a safe and
 reliable way!
 .SH RETURN VALUE
-0 if successful, -1 if any error occurred.
+0 if successful, \-1 if any error occurred.