dwmapi: Add dwmapi.h and update win32.api to fix the winapi_check warnings.
diff --git a/include/Makefile.in b/include/Makefile.in
index 07daf60..889cd9c 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -152,6 +152,7 @@
dshow.h \
dsound.h \
dsrole.h \
+ dwmapi.h \
dxdiag.h \
dxerr8.h \
dxerr9.h \
diff --git a/include/dwmapi.h b/include/dwmapi.h
new file mode 100644
index 0000000..b2a28b6
--- /dev/null
+++ b/include/dwmapi.h
@@ -0,0 +1,39 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef __WINE_DWMAPI_H
+#define __WINE_DWMAPI_H
+
+#include "wtypes.h"
+#include "uxtheme.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef DWMAPI
+# define DWMAPI STDAPI
+# define DWMAPI_(type) STDAPI_(type)
+#endif
+
+DWMAPI DwmEnableComposition(UINT);
+DWMAPI DwmIsCompositionEnabled(BOOL*);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __WINE_DWMAPI_H */
