Makefile: check formatting of notification schemas too.

We had an extra space, which should have been caught!

Signed-off-by: Rusty Russell <[email protected]>

doc/Makefile

@@ -149,7 +149,7 @@ doc/schemas/lightning-sql.json: doc/schemas/lightning-sql-template.json plugins/
 
 doc-all: $(MANPAGES) doc/index.rst
 
-SCHEMAS := $(wildcard doc/schemas/lightning-*.json)
+SCHEMAS := $(wildcard doc/schemas/lightning-*.json) $(wildcard doc/schemas/notification/*.json)
 
 # Don't try to build lightning-sql.json tables with plugins/sql if we don't have sqlite3
 ifeq ($(HAVE_SQLITE3),0)