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

llvm-svn: 9903
diff --git a/llvm/lib/Analysis/DataStructure/Steensgaard.cpp b/llvm/lib/Analysis/DataStructure/Steensgaard.cpp
index 8bf917f..d868d25 100644
--- a/llvm/lib/Analysis/DataStructure/Steensgaard.cpp
+++ b/llvm/lib/Analysis/DataStructure/Steensgaard.cpp
@@ -20,6 +20,8 @@
 #include "llvm/Module.h"
 #include "Support/Debug.h"
 
+namespace llvm {
+
 namespace {
   class Steens : public Pass, public AliasAnalysis {
     DSGraph *ResultGraph;
@@ -76,7 +78,6 @@
   RegisterAnalysisGroup<AliasAnalysis, Steens> Y;
 }
 
-
 /// ResolveFunctionCall - Resolve the actual arguments of a call to function F
 /// with the specified call site descriptor.  This function links the arguments
 /// and the return value for the call site context-insensitively.
@@ -235,3 +236,5 @@
   //
   return getAnalysis<AliasAnalysis>().alias(V1, V1Size, V2, V2Size);
 }
+
+} // End llvm namespace