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

llvm-svn: 9903
diff --git a/llvm/lib/Analysis/IPA/MemoryDepAnalysis.cpp b/llvm/lib/Analysis/IPA/MemoryDepAnalysis.cpp
index 076836a..e61c076 100644
--- a/llvm/lib/Analysis/IPA/MemoryDepAnalysis.cpp
+++ b/llvm/lib/Analysis/IPA/MemoryDepAnalysis.cpp
@@ -31,6 +31,7 @@
 #include "Support/hash_map"
 #include "Support/hash_set"
 
+namespace llvm {
 
 ///--------------------------------------------------------------------------
 /// struct ModRefTable:
@@ -122,7 +123,7 @@
 class ModRefInfoBuilder : public InstVisitor<ModRefInfoBuilder> {
   const DSGraph&            funcGraph;
   const FunctionModRefInfo& funcModRef;
-  ModRefTable&              modRefTable;
+  struct ModRefTable&       modRefTable;
 
   ModRefInfoBuilder();                         // DO NOT IMPLEMENT
   ModRefInfoBuilder(const ModRefInfoBuilder&); // DO NOT IMPLEMENT
@@ -498,3 +499,5 @@
 static RegisterAnalysis<MemoryDepAnalysis>
 Z("memdep", "Memory Dependence Analysis");
 
+
+} // End llvm namespace