File project.diff of Package mingw32-runtime

--- mingw32-runtime.spec.orig
+++ mingw32-runtime.spec
@@ -23,6 +23,7 @@ BuildArch:      noarch
 
 BuildRequires:  mingw32-filesystem
 BuildRequires:  mingw32-cross-binutils
+BuildRequires:  mingw32-cross-cpp-bootstrap
 BuildRequires:  mingw32-cross-gcc-bootstrap >= 4.4.0
 BuildRequires:  mingw32-headers >= %{version}