Optimize order of a few conditions in search

Also fix size of KingDanger array to reduce memory footprint.

Small speed up of around 0.5%

No functional change.

src/evaluate.cpp

@@ -210,7 +210,7 @@ namespace {
   // in KingDanger[]. Various little "meta-bonuses" measuring the strength
   // of the enemy attack are added up into an integer, which is used as an
   // index to KingDanger[].
-  Score KingDanger[512];
+  Score KingDanger[400];
 
   // KingAttackWeights[PieceType] contains king attack weights by piece type
   const int KingAttackWeights[PIECE_TYPE_NB] = { 0, 0, 7, 5, 4, 1 };