engine: client: hide late precache warning under s_warn_late_precache cvar

This warn is valid mostly for multiplayer games.
In singleplayer games, this is a false-positive as sentences are hot loaded

engine/client/s_load.c

@@ -141,7 +141,7 @@ wavdata_t *S_LoadSound( sfx_t *sfx )
 	if( Q_stricmp( sfx->name, "*default" ))
 	{
 		// load it from disk
-		if( host_developer.value > 0 && CL_Active() )
+		if( s_warn_late_precache.value > 0 && CL_Active() )
 			Con_Printf( S_WARN "S_LoadSound: late precache of %s\n", sfx->name );
 
 		if( sfx->name[0] == '*' )

engine/client/s_main.c

@@ -46,6 +46,7 @@ static CVAR_DEFINE_AUTO( s_combine_sounds, "0", FCVAR_ARCHIVE, "combine channels
 CVAR_DEFINE_AUTO( snd_mute_losefocus, "1", FCVAR_ARCHIVE, "silence the audio when game window loses focus" );
 CVAR_DEFINE_AUTO( s_test, "0", 0, "engine developer cvar for quick testing new features" );
 CVAR_DEFINE_AUTO( s_samplecount, "0", FCVAR_ARCHIVE, "sample count (0 for default value)" );
+CVAR_DEFINE_AUTO( s_warn_late_precache, "0", FCVAR_ARCHIVE, "warn about late precached sounds on client-side" );
 
 /*
 =============================================================================

engine/client/sound.h

@@ -222,6 +222,7 @@ extern convar_t	*dsp_off;
 extern convar_t	s_test;		// cvar to testify new effects
 extern convar_t s_samplecount;
 extern convar_t snd_mute_losefocus;
+extern convar_t s_warn_late_precache;
 
 void S_InitScaletable( void );
 wavdata_t *S_LoadSound( sfx_t *sfx );