Move song_data to use extern

src/bnusio.cpp

@@ -5,6 +5,8 @@
 
 extern GameVersion version;
 extern std::vector<HMODULE> plugins;
+extern u64 song_data_size;
+extern void *song_data;
 extern char accessCode1[21];
 extern char accessCode2[21];
 extern char chipId1[33];

src/dllmain.cpp

@@ -6,6 +6,8 @@
 
 GameVersion gameVersion = GameVersion::UNKNOWN;
 std::vector<HMODULE> plugins;
+u64 song_data_size = 1024 * 1024 * 64;
+void *song_data;
 
 std::string server      = "127.0.0.1";
 std::string port        = "54430";

src/patches/jp_nov_2020.cpp

@@ -2,8 +2,8 @@
 #include "patches.h"
 #include <safetyhook.hpp>
 
-const u64 song_data_size = 1024 * 1024 * 64;
-void *song_data;
+extern u64 song_data_size;
+extern void *song_data;
 
 #define RDX_MOV 0x48, 0xBA
 #define R8_MOV  0x49, 0xB8