move libgambatte.dll to a "dll" subdirectory

BizHawk.MultiClient/Program.cs

@@ -46,6 +46,9 @@ namespace BizHawk.MultiClient
 
 			Global.Config = ConfigService.Load<Config>(PathManager.DefaultIniPath, new Config());
 
+			// this will look in subdirectory "dll" to load pinvoked stuff
+			Win32.SetDllDirectory("dll");
+
 #if WINDOWS
 			try { Global.DSound = new DirectSound(); }
 			catch

BizHawk.MultiClient/output/MakeRelease.bat

@@ -1,3 +1,3 @@
 del /s BizHawk.zip
 copy ..\..\SlimDx.dll
-zip -X -9 -r BizHawk.zip BizHawk.MultiClient.exe DiscoHawk.exe *.dll ffmpeg.exe gamedb NES\Palettes Lua Gameboy\Palettes
+zip -X -9 -r BizHawk.zip BizHawk.MultiClient.exe DiscoHawk.exe *.dll dll ffmpeg.exe gamedb NES\Palettes Lua Gameboy\Palettes

BizHawk.Util/Win32.cs

@@ -437,12 +437,11 @@ namespace BizHawk
 			return new string(chs);
 		}
 
-
-
 		[DllImport("user32.dll", CharSet = CharSet.Auto)]
 		public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, int lParam);
 
-
+		[DllImport("kernel32.dll", SetLastError = true)]
+		public static extern bool SetDllDirectory(string lpPathName);
 	}
 
 }