One more Windows fix, this time get it right, sigh.

--HG--
extra : convert_revision : a02f8611cec9efe5feb8d7ccb19f03b9b86e0b68

js/src/lirasm/lirasm.cpp

@@ -142,8 +142,8 @@ nanojit::LInsPrinter::accNames[] = {
 #ifdef DEBUG
 void ValidateWriter::checkAccSet(LOpcode op, LIns* base, AccSet accSet)
 {
+    (void)op;
     (void)base;
-    (void)accSet;
     NanoAssert(accSet == ACCSET_OTHER);
 }
 #endif