Add <string.h> to files that needed it.
diff --git a/dlls/msacm/filter.c b/dlls/msacm/filter.c
index 4085052..40e6d41 100644
--- a/dlls/msacm/filter.c
+++ b/dlls/msacm/filter.c
@@ -6,6 +6,7 @@
* Copyright 1998 Patrik Stridvall
*/
+#include <string.h>
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
diff --git a/dlls/msacm/format.c b/dlls/msacm/format.c
index dea689f..716d588 100644
--- a/dlls/msacm/format.c
+++ b/dlls/msacm/format.c
@@ -7,6 +7,7 @@
* 2000 Eric Pouech
*/
+#include <string.h>
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
diff --git a/dlls/msacm/pcmconverter.c b/dlls/msacm/pcmconverter.c
index 23b4c3e..9e68a1e 100644
--- a/dlls/msacm/pcmconverter.c
+++ b/dlls/msacm/pcmconverter.c
@@ -16,6 +16,7 @@
*/
#include <assert.h>
+#include <string.h>
#include "winnls.h"
#include "winbase.h"
#include "wingdi.h"
diff --git a/dlls/msacm/stream.c b/dlls/msacm/stream.c
index eddbceb..4c0fcc6 100644
--- a/dlls/msacm/stream.c
+++ b/dlls/msacm/stream.c
@@ -14,6 +14,7 @@
* + properly close ACM streams
*/
+#include <string.h>
#include "winbase.h"
#include "winerror.h"
#include "windef.h"