Codechange: Rename SIGTYPE_NORMAL to SIGTYPE_BLOCK (#11788)

src/pathfinder/yapf/yapf_costrail.hpp

@@ -217,7 +217,7 @@ public:
 							switch (sig_type) {
 								case SIGTYPE_COMBO:
 								case SIGTYPE_EXIT:   cost += Yapf().PfGetSettings().rail_firstred_exit_penalty; break; // first signal is red pre-signal-exit
-								case SIGTYPE_NORMAL:
+								case SIGTYPE_BLOCK:
 								case SIGTYPE_ENTRY:  cost += Yapf().PfGetSettings().rail_firstred_penalty; break;
 								default: break;
 							}

src/pathfinder/yapf/yapf_node_rail.hpp

@@ -142,7 +142,7 @@ struct CYapfRailNodeT
 		if (parent == nullptr) {
 			m_num_signals_passed      = 0;
 			flags_u.m_inherited_flags = 0;
-			m_last_red_signal_type    = SIGTYPE_NORMAL;
+			m_last_red_signal_type    = SIGTYPE_BLOCK;
 			/* We use PBS as initial signal type because if we are in
 			 * a PBS section and need to route, i.e. we're at a safe
 			 * waiting point of a station, we need to account for the