Move content of global.h into the appropriate private headers.

diff --git a/dlls/kernel/file.c b/dlls/kernel/file.c
index deae039..6767b94 100644
--- a/dlls/kernel/file.c
+++ b/dlls/kernel/file.c
@@ -37,6 +37,7 @@
 #include "winreg.h"
 #include "winternl.h"
 #include "wincon.h"
+#include "wine/winbase16.h"
 #include "kernel_private.h"
 
 #include "wine/unicode.h"