change the __VERSION__ string to be more sensible.  It would be useful to include the clang version # too.

llvm-svn: 67619
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index 811ea69..a43bb64 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -471,8 +471,7 @@
   DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1");
   DefineBuiltinMacro(Buf, "__GNUC__=4");
   DefineBuiltinMacro(Buf, "__GXX_ABI_VERSION=1002");
-  DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 (Apple Computer, Inc. "
-                     "build 5621) (dot 3)\"");
+  DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 Compatible Clang Compiler\"");
   
   
   // Initialize language-specific preprocessor defines.