afp: Prevent redefinition of GVfsAfpServer.
afp: Prevent redefinition of GVfsAfpServer.

GVfsAfpServer is already included in gvfsafpvolume.h which gvfsafpserver.h
includes; so no need to declare GVfsAfpServer here.

http://bugzilla-attachments.gnome.org/attachment.cgi?id=210456

Signed-off-by: Tomas Bzatek <d3a1cc6aceb7629c6bc23f72976a8a12cdfc8825@redhat.com>

gicmo/gvfs,philipl/gvfs,xkahn/gvfs-cmis,halfline/gvfs,halfline/gvfs,philipl/gvfs,philipl/gvfs,gicmo/gvfs,gicmo/gvfs,xkahn/gvfs-cmis,halfline/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,gicmo/gvfs