Piotr Caban : winmm: Don't use toupper.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b602787a9332ea20d7d00f42054d060ae0c21760
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=b602787a9332ea20d7d00f42054d060ae0c21760

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Wed Mar 27 14:08:28 2019 +0100

winmm: Don't use toupper.

Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winmm/mmio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/winmm/mmio.c b/dlls/winmm/mmio.c
index b4155b6..6f14301 100644
--- a/dlls/winmm/mmio.c
+++ b/dlls/winmm/mmio.c
@@ -38,6 +38,7 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winnls.h"
+#include "winternl.h"
 #include "mmsystem.h"
 #include "winemm.h"
 
@@ -1054,7 +1055,7 @@ FOURCC WINAPI mmioStringToFOURCCA(LPCSTR sz, UINT uFlags)
 
     for (i = 0; i < 4 && sz[i]; i++) {
 	if (uFlags & MMIO_TOUPPER) {
-	    cc[i] = toupper(sz[i]);
+	    cc[i] = RtlUpperChar(sz[i]);
 	} else {
 	    cc[i] = sz[i];
 	}