Fix PLR condition saving retract

Marlin/src/feature/power_loss_recovery.cpp

   // Restore retract and hop state
   #if ENABLED(FWRETRACT)
     for (uint8_t e = 0; e < EXTRUDERS; e++) {
-      if (info.retract[e] != 0.0)
+      if (info.retract[e] != 0.0) {
         fwretract.current_retract[e] = info.retract[e];
         fwretract.retracted[e] = true;
+      }
     }
     fwretract.current_hop = info.retract_hop;
   #endif