Doc/Makefile: also do "make suspicious" during daily autobuild
diff --git a/Doc/Makefile b/Doc/Makefile
index a774aad..3c7196e 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -186,6 +186,7 @@
 autobuild-dev:
 	make update
 	make dist SPHINXOPTS='-A daily=1 -A versionswitcher=1'
+	-make suspicious
 
 # for quick rebuilds (HTML only)
 autobuild-html: