debian amd64 testing

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48745 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 50be86e..2e54dd9 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -917,7 +917,10 @@
     //Debian testing/lenny x86
     AddPath("/usr/lib/gcc/i486-linux-gnu/4.2.3/include", System,
             false, false, false, Headers);
-    
+
+    //Debian testing/lenny amd64
+    AddPath("/usr/lib/gcc/x86_64-linux-gnu/4.2.3/include", System,
+            false, false, false, Headers);
 
     AddPath("/usr/include", System, false, false, false, Headers);
     AddPath("/System/Library/Frameworks", System, true, false, true, Headers);