include/msvcrt: Add stdbool.h header.

include/Makefile.in

@@ -474,6 +474,7 @@ SOURCES = \
 	msvcrt/setjmp.h \
 	msvcrt/share.h \
 	msvcrt/signal.h \
+	msvcrt/stdbool.h \
 	msvcrt/stddef.h \
 	msvcrt/stdint.h \
 	msvcrt/stdio.h \

include/msvcrt/stdbool.h

+/*
+ * Copyright 2020 Brendan Shanks for CodeWeavers
+ *
+ * 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_STDBOOL_H
+#define __WINE_STDBOOL_H
+
+#ifndef __cplusplus
+
+#define bool    _Bool
+#define true    1
+#define false   0
+
+#endif
+
+#define __bool_true_false_are_defined 1
+
+#endif /* __WINE_STDBOOL_H */