arch-arm: FIXUP for the add PRFM PST instruction commit

Change-Id: I898e5b565c6591f88ae732b24713aeae2c827cbd
Reviewed-on: https://gem5-review.googlesource.com/c/13815
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
diff --git a/src/arch/arm/insts/static_inst.hh b/src/arch/arm/insts/static_inst.hh
index 6216598..f4f3cbb 100644
--- a/src/arch/arm/insts/static_inst.hh
+++ b/src/arch/arm/insts/static_inst.hh
@@ -179,7 +179,7 @@
     void printExtendOperand(bool firstOperand, std::ostream &os,
                             IntRegIndex rm, ArmExtendType type,
                             int64_t shiftAmt) const;
-
+    void printPFflags(std::ostream &os, int flag) const;
 
     void printDataInst(std::ostream &os, bool withImm) const;
     void printDataInst(std::ostream &os, bool withImm, bool immShift, bool s,