Addition of markups for new clang configurations.

[SVN r68776]

status/explicit-failures-markup.xml

@@ -1944,7 +1944,7 @@
 		<mark-expected-failures>
 			<test name="cmp_clang_ttp_passing"/>
 			<test name="cmp_clang_ttp_passing2"/>
-			<toolset name="clang-darwin-4.2.1"/>
+			<toolset name="clang-darwin-*"/>
 			<toolset name="clang-linux-4.2.1"/>
 			<note author="Joachim Faulhaber">
 				Compiler error expected for clang: Minimal examples for passing combinations