[libsoup] Fix SoupAuthClass size to undo ABI break with 2.54.0

[Dan Winship <danw src gnome org>]

commit 9822510fbf9c18b3a03f9cab6eb6e65429e9d913
Author: Dan Winship <danw gnome org>
Date:   Mon Apr 25 11:20:24 2016 -0400

    Fix SoupAuthClass size to undo ABI break with 2.54.0
    
    Also belatedly bump .so minor version
    
    https://bugzilla.gnome.org/show_bug.cgi?id=765222

 configure.ac        |    4 ++--
 libsoup/soup-auth.h |    1 -
 2 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5a0ba36..503dd2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,10 +29,10 @@ SOUP_API_VERSION=2.4
 AC_SUBST(SOUP_API_VERSION)
 
 # Increment on interface addition. Reset on removal.
-SOUP_AGE=7
+SOUP_AGE=8
 
 # Increment on interface add, remove, or change.
-SOUP_CURRENT=8
+SOUP_CURRENT=9
 
 # Increment on source change. Reset when CURRENT changes.
 SOUP_REVISION=0
diff --git a/libsoup/soup-auth.h b/libsoup/soup-auth.h
index c92699d..0defcc6 100644
--- a/libsoup/soup-auth.h
+++ b/libsoup/soup-auth.h
@@ -51,7 +51,6 @@ typedef struct {
        gboolean     (*can_authenticate)     (SoupAuth      *auth);
 
        /* Padding for future expansion */
-       void (*_libsoup_reserved2) (void);
        void (*_libsoup_reserved3) (void);
        void (*_libsoup_reserved4) (void);
 } SoupAuthClass;