Correct spelling mistakes.

code/cgame/cg_main.c

@@ -499,7 +499,7 @@ static void CG_RegisterItemSounds( int itemNum ) {
 		trap_S_RegisterSound( item->pickup_sound, qfalse );
 	}
 
-	// parse the space seperated precache string for other media
+	// parse the space separated precache string for other media
 	s = item->sounds;
 	if (!s || !s[0])
 		return;