commit 6c56d0b0eb5be9fbeb552ba070a2304b842a5102
Author: Руслан Ижбулатов <lrn1986@gmail.com>
Date:   Wed Mar 18 14:06:33 2015 +0000

    Add more includes to shlobj.h
    
    wtypesbase.h and wincrypt.h pull some other headers,
    together they all provide EXTERN_C, DECLSPEC_IMPORT and WINAPI macros,
    which are needed by shlobj.h directly or indirectly.

diff --git a/mingw-w64-headers/include/shlobj.h b/mingw-w64-headers/include/shlobj.h
index 3d2e21c..be087c4 100644
--- a/mingw-w64-headers/include/shlobj.h
+++ b/mingw-w64-headers/include/shlobj.h
@@ -6,6 +6,8 @@
 #ifndef _SHLOBJ_H_
 #define _SHLOBJ_H_
 
+#include <wtypesbase.h>
+#include <wincrypt.h>
 #include <winapifamily.h>
 
 #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP) || defined(WINSTORECOMPAT)