fusion: Add a stub implementation of fusion.dll.
diff --git a/configure.ac b/configure.ac
index abf8374..0f345c0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1770,6 +1770,7 @@
 AC_CONFIG_FILES([dlls/dxerr9/Makefile])
 AC_CONFIG_FILES([dlls/dxguid/Makefile])
 AC_CONFIG_FILES([dlls/faultrep/Makefile])
+AC_CONFIG_FILES([dlls/fusion/Makefile])
 AC_CONFIG_FILES([dlls/gdi32/Makefile])
 AC_CONFIG_FILES([dlls/gdi32/tests/Makefile])
 AC_CONFIG_FILES([dlls/gdiplus/Makefile])