make: Add msggen generated files to check-gen-updated target

Changelog-None

Author: cdecker

.msggen.json

@@ -1,3 +1,4 @@
+
 {
     "grpc-enum-map": {
         "CloseType": {
@@ -1076,4 +1077,4 @@
             "Withdraw.txid": 2
         }
     }
-}
+}

Makefile

@@ -565,7 +565,18 @@ full-check: check check-source
 #
 # Do not run on your development tree since it will complain if you
 # have a dirty tree.
-check-gen-updated: $(ALL_GEN_HEADERS) $(ALL_GEN_SOURCES) wallet/statements_gettextgen.po $(MANPAGES)
+CHECK_GEN_ALL = \
+	$(CLN_GRPC_GENALL) \
+	$(CLN_RPC_GENALL) \
+	$(MANPAGES) \
+	$(WALLET_DB_QUERIES) \
+	$(PYTHON_GENERATED) \
+	$(ALL_GEN_HEADERS) \
+	$(ALL_GEN_SOURCES) \
+	wallet/statements_gettextgen.po \
+	.msggen.json
+
+check-gen-updated:  $(CHECK_GEN_ALL)
 	@echo "Checking for generated files being changed by make"
 	git diff --exit-code HEAD $?