[c-host] take just the ivshmem headers and omit the kvm-guest submodule

c-host/CMakeLists.txt

@@ -38,7 +38,7 @@ get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
 include_directories(
 	${PROJECT_SOURCE_DIR}/include
 	${CMAKE_BINARY_DIR}/include
-        ${PROJECT_TOP}/vendor/kvm-guest-drivers-windows
+        ${PROJECT_TOP}/vendor/ivshmem
 	${PKGCONFIG_INCLUDE_DIRS}
 	${GMP_INCLUDE_DIR}
 )

c-host/platform/Windows/src/platform.c

@@ -29,7 +29,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 #include "common/debug.h"
 #include "common/option.h"
 #include "windows/debug.h"
-#include "ivshmem/Public.h"
+#include "ivshmem.h"
 
 #define ID_MENU_OPEN_LOG 3000
 #define ID_MENU_EXIT     3001