Fix C++ include paths.

diff -aur clang-2.8.orig/lib/Frontend/InitHeaderSearch.cpp clang-2.8/lib/Frontend/InitHeaderSearch.cpp
--- clang-2.8.orig/lib/Frontend/InitHeaderSearch.cpp	2010-09-03 18:45:53.000000000 +0200
+++ clang-2.8/lib/Frontend/InitHeaderSearch.cpp	2010-10-30 11:21:51.415000159 +0200
@@ -706,6 +706,14 @@
                                 "i686-pc-linux-gnu", "", "", triple);
     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1",
                                 "x86_64-unknown-linux-gnu", "", "", triple);
+
+    // CRUX 2010-10-30
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.1",
+                                "i686-pc-linux-gnu", "", "", triple);
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.1",
+                                "x86_64-unknown-linux-gnu", "", "", triple);
+
+
     // Gentoo x86 2009.1 stable
     AddGnuCPlusPlusIncludePaths(
       "/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4",