[collectd] rc9

[Sergiusz Pawlowicz]

if /bin/sh ../libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I.
-I. -I.    -Wall -Werror -g -O2 -MT email.lo -MD -MP -MF
".deps/email.Tpo" -c -o email.lo email.c; \
        then mv -f ".deps/email.Tpo" ".deps/email.Plo"; else rm -f
".deps/email.Tpo"; exit 1; fi gcc -DHAVE_CONFIG_H -I. -I. -I. -Wall
-Werror -g -O2 -MT email.lo -MD -MP -MF .deps/email.Tpo -c email.c
-fPIC -DPIC -o .libs/email.o
In file included from email.c:57:
/usr/include/linux/un.h:7:2: error: #warning "You should include
<sys/un.h>. This time I will do it for you."
make[3]: *** [email.lo] Error 1
make[3]: Leaving directory `/usr/src/collectd-4.0.0-rc9/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/src/collectd-4.0.0-rc9/src'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/usr/src/collectd-4.0.0-rc9/src'
make: *** [all-recursive] Error 1

s.