Adding sed to BuildRequires - needed for 'make distclean' in samples

directory.

xerces-c.spec

@@ -1,14 +1,14 @@
 Summary:	Validating XML Parser
 Name:		xerces-c
 Version:	3.0.1
-Release:	11%{?dist}
+Release:	12%{?dist}
 License:	ASL 2.0
 Group:		System Environment/Libraries
 URL:		http://xml.apache.org/xerces-c/
 Source0:	http://archive.apache.org/dist/xml/xerces-c/Xerces-C_3_0_1/sources/xerces-c-3.0.1.tar.gz
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
-BuildRequires: dos2unix
+BuildRequires: dos2unix sed
 
 %description 
 Xerces-C is a validating XML parser written in a portable
@@ -17,7 +17,7 @@ ability to read and write XML data. A shared library is provided for
 parsing, generating, manipulating, and validating XML
 documents. Xerces-C is faithful to the XML 1.0 recommendation and
 associated standards: XML 1.0 (Third Edition), XML 1.1 (First
-Edition), DOM Level 1, 2, 3 Core, Dom Level 2.0 Traversal and Range,
+Edition), DOM Level 1, 2, 3 Core, DOM Level 2.0 Traversal and Range,
 DOM Level 3.0 Load and Save, SAX 1.0 and SAX 2.0, Namespaces in XML,
 Namespaces in XML 1.1, XML Schema, XML Inclusions).