Add missing header for gcc-14

https://gcc.gnu.org/gcc-14/porting_to.html

Signed-off-by: Alfred Wingate <parona@protonmail.com>

src/client/sound/sound_data.cpp

@@ -25,6 +25,7 @@ with this program; ifnot, write to the Free Software Foundation, Inc.,
 #include "sound_data.h"
 
 #include "sound_constants.h"
+#include <algorithm>
 
 namespace sound {