Generate config.h for Windows build


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4185 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/config.h.cmake.in b/config.h.cmake.in
new file mode 100644
index 0000000..87aa9d5
--- /dev/null
+++ b/config.h.cmake.in
@@ -0,0 +1,6 @@
+#cmakedefine HAVE_INET_ATON
+#cmakedefine HAVE_INET_NTOP
+#cmakedefine HAVE_SNPRINTF
+#cmakedefine HAVE_STRCASECMP
+#cmakedefine HAVE_STRNCASECMP
+#cmakedefine HAVE_VSNPRINTF