Add additional IDL-files to build.  Additionally regenerated configure.  It was out-dated.
diff --git a/mingw-w64-headers/Makefile.am b/mingw-w64-headers/Makefile.am
index d27db2e..d14cfd6 100644
--- a/mingw-w64-headers/Makefile.am
+++ b/mingw-w64-headers/Makefile.am
@@ -74,6 +74,7 @@
   include/control.idl \
   include/ctfutb.idl \
   include/dbgprop.idl \
+  include/dispex.idl \
   include/docobj.idl \
   include/devicetopology.idl \
   include/downloadmgr.idl \
@@ -139,7 +140,11 @@
   include/unknwn.idl \
   include/unknwnbase.idl \
   include/urlmon.idl \
+  include/wbemads.idl \
   include/wbemcli.idl \
+  include/wbemdisp.idl \
+  include/wbemprov.idl \
+  include/wbemtran.idl \
   include/wdstptmgmt.idl \
   include/wincodec.idl \
   include/wmcontainer.idl \
diff --git a/mingw-w64-headers/Makefile.in b/mingw-w64-headers/Makefile.in
index cb744b8..079d7a9 100644
--- a/mingw-w64-headers/Makefile.in
+++ b/mingw-w64-headers/Makefile.in
@@ -298,6 +298,7 @@
 @HAVE_WIDL_TRUE@  include/control.idl \
 @HAVE_WIDL_TRUE@  include/ctfutb.idl \
 @HAVE_WIDL_TRUE@  include/dbgprop.idl \
+@HAVE_WIDL_TRUE@  include/dispex.idl \
 @HAVE_WIDL_TRUE@  include/docobj.idl \
 @HAVE_WIDL_TRUE@  include/devicetopology.idl \
 @HAVE_WIDL_TRUE@  include/downloadmgr.idl \
@@ -363,7 +364,11 @@
 @HAVE_WIDL_TRUE@  include/unknwn.idl \
 @HAVE_WIDL_TRUE@  include/unknwnbase.idl \
 @HAVE_WIDL_TRUE@  include/urlmon.idl \
+@HAVE_WIDL_TRUE@  include/wbemads.idl \
 @HAVE_WIDL_TRUE@  include/wbemcli.idl \
+@HAVE_WIDL_TRUE@  include/wbemdisp.idl \
+@HAVE_WIDL_TRUE@  include/wbemprov.idl \
+@HAVE_WIDL_TRUE@  include/wbemtran.idl \
 @HAVE_WIDL_TRUE@  include/wdstptmgmt.idl \
 @HAVE_WIDL_TRUE@  include/wincodec.idl \
 @HAVE_WIDL_TRUE@  include/wmcontainer.idl \
diff --git a/mingw-w64-headers/configure b/mingw-w64-headers/configure
index 329a4dc..8de18ee 100755
--- a/mingw-w64-headers/configure
+++ b/mingw-w64-headers/configure
@@ -1324,7 +1324,7 @@
   --enable-sdk=ARG        Add the desired SDK, where ARG can be one of ddk,
                           directx, no or all. Default is all.
   --enable-idl            Enable installing idl files
-  --enable-secure-api     Enable secure API by default
+  --enable-secure-api     Expose secure API prototypes
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]