Merge schema change that requires note in all markups

[SVN r36794]

status/explicit-failures-markup.xml

@@ -1415,6 +1415,7 @@
           <toolset name="gcc-2.95.3-linux"/>
           <toolset name="gcc-2.95.3-stlport-4.5.3-linux"/>
           <toolset name="gcc-2.95.3-stlport-4.6.2-linux"/>
+          <note refid="28" author="Vladimir Prus"/>
         </mark-expected-failures>
         <mark-expected-failures>
             <test name="bundled_properties"/>

status/explicit-failures.xsd

@@ -61,9 +61,9 @@
     <xs:element name="mark-expected-failures">
         <xs:complexType>
             <xs:sequence>
-                <xs:element ref="test" minOccurs="0" maxOccurs="unbounded"/>
-                <xs:element ref="toolset" minOccurs="0" maxOccurs="unbounded"/>
-                <xs:element ref="note" minOccurs="0"/>
+                <xs:element ref="test" maxOccurs="unbounded"/>
+                <xs:element ref="toolset" maxOccurs="unbounded"/>
+                <xs:element ref="note"/>
             </xs:sequence>
             <xs:attribute name="reason" type="xs:string"/>
         </xs:complexType>