Fix majorPieceKey Updates

Passed STC:
LLR: 2.98 (-2.94,2.94) <0.00,2.00>
Total: 476160 W: 124285 L: 123311 D: 228564
Ptnml(0-2): 1662, 56266, 121219, 57302, 1631
https://tests.stockfishchess.org/tests/view/66ea3dc186d5ee47d953ae07

Failed Yellow LTC:
LLR: -2.94 (-2.94,2.94) <0.50,2.50>
Total: 230634 W: 58525 L: 58295 D: 113814
Ptnml(0-2): 113, 25301, 64299, 25451, 153
https://tests.stockfishchess.org/tests/view/66f1825e86d5ee47d953b2ec

Passed Non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 112344 W: 28590 L: 28462 D: 55292
Ptnml(0-2): 71, 12439, 31039, 12537, 86
https://tests.stockfishchess.org/tests/view/6707474486d5ee47d953bfe3

closes official-stockfish#5629

Bench: 1283457

src/position.cpp

@@ -759,7 +759,7 @@ void Position::do_move(Move m, StateInfo& newSt, bool givesCheck) {
             st->nonPawnMaterial[them] -= PieceValue[captured];
             st->nonPawnKey[them] ^= Zobrist::psq[captured][capsq];
 
-            if (type_of(pc) == QUEEN || type_of(pc) == ROOK)
+            if (type_of(captured) == QUEEN || type_of(captured) == ROOK)
                 st->majorPieceKey ^= Zobrist::psq[captured][capsq];
 
             else