Add gamedirectory in .app to searchpath on MacOSX

code/qcommon/qcommon.h

@@ -545,6 +545,8 @@ qboolean	FS_ConditionalRestart( int checksumFeed );
 void	FS_Restart( int checksumFeed );
 // shutdown and restart the filesystem so changes to fs_gamedir can take effect
 
+void FS_AddGameDirectory( const char *path, const char *dir );
+
 char	**FS_ListFiles( const char *directory, const char *extension, int *numfiles );
 // directory should not have either a leading or trailing /
 // if extension is "/", only subdirectories will be returned
@@ -1027,6 +1029,11 @@ void	Sys_Mkdir( const char *path );
 char	*Sys_Cwd( void );
 void	Sys_SetDefaultInstallPath(const char *path);
 char	*Sys_DefaultInstallPath(void);
+
+#ifdef MACOS_X
+char    *Sys_DefaultAppPath(void);
+#endif
+
 void  Sys_SetDefaultHomePath(const char *path);
 char	*Sys_DefaultHomePath(void);
 const char *Sys_Dirname( char *path );