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/AliasAnalysisCounter.cpp

@@ -16,6 +16,8 @@
 #include "llvm/Pass.h"
 #include <iostream>
 
+namespace llvm {
+
 namespace {
   class AliasAnalysisCounter : public Pass, public AliasAnalysis {
     unsigned No, May, Must;
@@ -108,3 +110,5 @@ namespace {
   X("count-aa", "Count Alias Analysis Query Responses");
   RegisterAnalysisGroup<AliasAnalysis, AliasAnalysisCounter> Y;
 }
+
+} // End llvm namespace