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

llvm-svn: 9903
diff --git a/llvm/lib/Transforms/Scalar/LowerAllocations.cpp b/llvm/lib/Transforms/Scalar/LowerAllocations.cpp
index 96008881..eea800a 100644
--- a/llvm/lib/Transforms/Scalar/LowerAllocations.cpp
+++ b/llvm/lib/Transforms/Scalar/LowerAllocations.cpp
@@ -22,6 +22,8 @@
 #include "llvm/Target/TargetData.h"
 #include "Support/Statistic.h"
 
+namespace llvm {
+
 namespace {
   Statistic<> NumLowered("lowerallocs", "Number of allocations lowered");
 
@@ -131,3 +133,5 @@
 
   return Changed;
 }
+
+} // End llvm namespace