[libsigc++20] Require base package from -doc subpackage

[Kalev Lember]

commit 10840796298d1d5e0ffe086966276d85ba350f92
Author: Kalev Lember <kalev at smartlink.ee>
Date:   Tue Mar 1 21:41:00 2011 +0200

    Require base package from -doc subpackage

 libsigc++20.spec |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libsigc++20.spec b/libsigc++20.spec
index 9a0aa7b..2141682 100644
--- a/libsigc++20.spec
+++ b/libsigc++20.spec
@@ -44,6 +44,7 @@ Summary:        Documentation for %{name}, includes full API docs
 Group:          Documentation
 BuildArch:      noarch
 BuildRequires:  doxygen graphviz
+Requires:       %{name} = %{version}-%{release}
 
 %description    doc
 This package contains the full API documentation for %{name}.
@@ -102,6 +103,7 @@ rm -rf $RPM_BUILD_ROOT
   first two digits of tarball version.
 - Dropped R: pkgconfig from -devel as it's now automatically added by rpm
 - Own /usr/share/doc/libsigc++-2.0/ dir and mark /usr/share/devhelp/ as %%doc
+- Require base package from -doc subpackage
 
 * Mon Feb 21 2011 Haïkel Guémar <hguemar at fedoraproject.org> - 2.2.8-3
 - fix documentation location (RHBZ #678981)