Fix the build

In between the json patch being written, and the json patch being
merged, nlohmann library added binary types:
https://nlohmann.github.io/json/features/binary_values/

Which is non standard, but used for things like cbor.

Add a switch to handle them.

Signed-off-by: Ed Tanous <ed@tanous.net>
Change-Id: I8599847a063a14c5f489e8347c2c440347d2544d
diff --git a/CMakeLists.txt.in b/CMakeLists.txt.in
index 5cd73f6..605f8e3 100644
--- a/CMakeLists.txt.in
+++ b/CMakeLists.txt.in
@@ -46,7 +46,7 @@
 
 externalproject_add (
     nlohmann-json GIT_REPOSITORY "https://github.com/nlohmann/json.git" GIT_TAG
-    ea60d40f4a60a47d3be9560d8f7bc37c163fe47b SOURCE_DIR
+    b3e5cb7f20dcc5c806e418df34324eca60d17d4e SOURCE_DIR
     "${CMAKE_BINARY_DIR}/nlohmann-json-src" BINARY_DIR
     "${CMAKE_BINARY_DIR}/nlohmann-json-build" CONFIGURE_COMMAND "" BUILD_COMMAND
     "" INSTALL_COMMAND mkdir -p "${CMAKE_BINARY_DIR}/prefix/include/nlohmann" &&