Omit unused parameter name.

llvm-svn: 118099
diff --git a/llvm/lib/Target/ARM/ARMMCCodeEmitter.cpp b/llvm/lib/Target/ARM/ARMMCCodeEmitter.cpp
index 86c9330..44db142 100644
--- a/llvm/lib/Target/ARM/ARMMCCodeEmitter.cpp
+++ b/llvm/lib/Target/ARM/ARMMCCodeEmitter.cpp
@@ -322,7 +322,7 @@
 
 void ARMMCCodeEmitter::
 EncodeInstruction(const MCInst &MI, raw_ostream &OS,
-                  SmallVectorImpl<MCFixup> &Fixups) const {
+                  SmallVectorImpl<MCFixup> &) const {
   // Pseudo instructions don't get encoded.
   const TargetInstrDesc &Desc = TII.get(MI.getOpcode());
   if ((Desc.TSFlags & ARMII::FormMask) == ARMII::Pseudo)