Normalize how the 'namespace llvm {' is used in this file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ExactHazardRecognizer.cpp b/lib/CodeGen/ExactHazardRecognizer.cpp
index 33ee233..2d07b76 100644
--- a/lib/CodeGen/ExactHazardRecognizer.cpp
+++ b/lib/CodeGen/ExactHazardRecognizer.cpp
@@ -20,7 +20,7 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrItineraries.h"
 
-namespace llvm {
+using namespace llvm;
 
 ExactHazardRecognizer::ExactHazardRecognizer(const InstrItineraryData &LItinData) :
   ScheduleHazardRecognizer(), ItinData(LItinData) 
@@ -50,7 +50,7 @@
   ScoreboardHead = 0;
 
   DEBUG(errs() << "Using exact hazard recognizer: ScoreboardDepth = " 
-        << ScoreboardDepth << '\n');
+               << ScoreboardDepth << '\n');
 }
 
 ExactHazardRecognizer::~ExactHazardRecognizer() {
@@ -154,5 +154,3 @@
   Scoreboard[ScoreboardHead] = 0;
   ScoreboardHead = getFutureIndex(1);
 }
-
-} /* namespace llvm */