sim: add whitespace for correct coding style

This commit adds two additional whitespaces in the definition of
GuestAddr as well as in the operator << overload.

Change-Id: Ifb371a09b378fcf4862a768f113b5963b45bd167

src/sim/pseudo_inst.hh

@@ -66,13 +66,13 @@ decodeAddrOffset(Addr offset, uint8_t &func)
 
 struct GuestAddr
 {
-  uint64_t addr;
+    uint64_t addr;
 };
 
 inline std::ostream&
 operator<<(std::ostream& os, const GuestAddr addr)
 {
-  return os << addr.addr;
+    return os << addr.addr;
 }
 
 void arm(ThreadContext *tc);