gitignore: ignore m4/gettext artifacts

.gitignore

@@ -186,6 +186,7 @@ test-*.trs
 /m4/glibc2.m4
 /m4/glibc21.m4
 /m4/gtk-doc.m4
+/m4/host-cpu-c-abi.m4
 /m4/iconv.m4
 /m4/intdiv0.m4
 /m4/intl.m4
@@ -224,14 +225,15 @@ test-*.trs
 /man/common.ent
 
 /po/*.gmo
-/po/NetworkManager.pot
 /po/Makevars.template
+/po/NetworkManager.pot
 /po/Rules-quot
 /po/boldquot.sed
 /po/en@boldquot.header
 /po/en@quot.header
 /po/insert-header.sin
 /po/quot.sed
+/po/remove-potcdate.sed
 /po/remove-potcdate.sin
 
 /src/core/NetworkManager