Add #include that was removed from TargetMachine.h

llvm-svn: 2381
diff --git a/llvm/lib/Target/Sparc/EmitAssembly.cpp b/llvm/lib/Target/Sparc/EmitAssembly.cpp
index c823e91..fa2aeaa 100644
--- a/llvm/lib/Target/Sparc/EmitAssembly.cpp
+++ b/llvm/lib/Target/Sparc/EmitAssembly.cpp
@@ -22,6 +22,7 @@
 #include "llvm/Function.h"
 #include "llvm/Module.h"
 #include "llvm/SlotCalculator.h"
+#include "llvm/Pass.h"
 #include "llvm/Assembly/Writer.h"
 #include "Support/StringExtras.h"
 #include "Support/HashExtras.h"