Driver/ToolChains.cpp: Add the name CentOS5 32bit gcc44 (aka i386-redhat-linux6E).

Thanks to Bruce Stephens.

llvm-svn: 169610
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 179f0fd..eac9d3a 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1094,6 +1094,7 @@
     "i686-pc-linux-gnu",
     "i486-linux-gnu",
     "i386-linux-gnu",
+    "i386-redhat-linux6E",
     "i686-redhat-linux",
     "i586-redhat-linux",
     "i386-redhat-linux",