Add flint target and stop using flint.lnt from Varnish-Cache

to get stricter linting

src/Makefile.am

@@ -70,3 +70,10 @@ dist_man_MANS = \
 
 .rst.1:
 	$(AM_V_GEN) $(RST2MAN) $< $@
+
+.PHONY: flint
+
+# XXX slashmap should be flexelinted when time, for now it does not matter
+# XXX TODO flexelint fellow_io_*
+flint:
+	flexelint $(VARNISHAPI_CFLAGS) -I .. flint.lnt *.c

src/flint.lnt

@@ -11,4 +11,6 @@
 -efile(537, config.h)
 -efile(451, config.h)
 
--e793
\ No newline at end of file
+-e793
+
+-e717	// do ... while()