Merge branch 'stable'

Resolve conflict with Nicolas' Dichtel update on utils/Makefile.am
for nfnl_osf.
diff --git a/utils/Makefile.am b/utils/Makefile.am
index bfafd1d..c26aa64 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -11,7 +11,7 @@
 sbin_PROGRAMS += nfnl_osf
 pkgdata_DATA += pf.os
 
-nfnl_osf_LDADD = -lnfnetlink
+nfnl_osf_LDADD = ${libnfnetlink_LIBS}
 endif
 
 if ENABLE_BPFC