Renamed errors. -> pyerrors.h (for Mac, where Errors.h is a system header).
diff --git a/Include/allobjects.h b/Include/allobjects.h
index 5e4925d..87b9786 100644
--- a/Include/allobjects.h
+++ b/Include/allobjects.h
@@ -80,7 +80,7 @@
 #include "traceback.h"
 #include "sliceobject.h"
 
-#include "errors.h"
+#include "pyerrors.h"
 #include "mymalloc.h"
 
 #include "modsupport.h"