PVS V1031: missing includes for memcpy/memset

Change-Id: I106027c0b8a367be1e58598f124e3a6d6541ee32
Reviewed-on: https://review.haiku-os.org/c/1622
Reviewed-by: waddlesplash <waddlesplash@gmail.com>

src/add-ons/kernel/drivers/audio/emuxki/multi.c

@@ -31,6 +31,7 @@
 
 #include <OS.h>
 #include <MediaDefs.h>
+#include <string.h>
 #include <strings.h>
 #include "hmulti_audio.h"
 #include "multi.h"

src/libs/udis86/udis86.c

@@ -28,11 +28,7 @@
 #include "extern.h"
 #include "decode.h"
 
-#if !defined(__UD_STANDALONE__)
-# if HAVE_STRING_H
-#  include <string.h>
-# endif
-#endif /* !__UD_STANDALONE__ */
+#include <string.h>
 
 static void ud_inp_init(struct ud *u);