Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.

llvm-svn: 85042
diff --git a/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp b/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
index ace358e..b20d636 100644
--- a/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
+++ b/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
@@ -50,7 +50,7 @@
              cl::desc("enable experimental mcinst gunk in the msp430 backend"));
 
 namespace {
-  class VISIBILITY_HIDDEN MSP430AsmPrinter : public AsmPrinter {
+  class MSP430AsmPrinter : public AsmPrinter {
   public:
     MSP430AsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
                      const MCAsmInfo *MAI, bool V)