Put all LLVM code into the llvm namespace, as per bug 109.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/DataStructure/DataStructureOpt.cpp

@@ -18,6 +18,8 @@
 #include "llvm/Constant.h"
 #include "Support/Statistic.h"
 
+namespace llvm {
+
 namespace {
   Statistic<>
   NumGlobalsConstanted("ds-opt", "Number of globals marked constant");
@@ -47,7 +49,6 @@ namespace {
   RegisterOpt<DSOpt> X("ds-opt", "DSA-based simple optimizations");
 }
 
-
 /// OptimizeGlobals - This method uses information taken from DSA to optimize
 /// global variables.
 ///
@@ -96,3 +97,5 @@ bool DSOpt::OptimizeGlobals(Module &M) {
     }
   return Changed;
 }
+
+} // End llvm namespace