change HostInfo::start_lp to int32 (#2762)

* update ReplayHeader

* change HostInfo::start_lp to int32

gframe/network.h

@@ -27,7 +27,7 @@ struct HostInfo {
 	uint8_t no_shuffle_deck{};
 	// byte padding[3]
 
-	uint32_t start_lp{};
+	int32_t start_lp{};
 	uint8_t start_hand{};
 	uint8_t draw_count{};
 	uint16_t time_limit{};

gframe/replay.h

@@ -17,13 +17,13 @@ constexpr int MAX_REPLAY_SIZE = 0x20000;
 constexpr int MAX_COMP_SIZE = UINT16_MAX + 1;
 
 struct ReplayHeader {
-	unsigned int id{};
-	unsigned int version{};
-	unsigned int flag{};
-	unsigned int seed{};
-	unsigned int datasize{};
-	unsigned int start_time{};
-	unsigned char props[8]{};
+	uint32_t id{};
+	uint32_t version{};
+	uint32_t flag{};
+	uint32_t seed{};
+	uint32_t datasize{};
+	uint32_t start_time{};
+	uint8_t props[8]{};
 };
 
 class Replay {