nss*: Replace hardcoded "/etc" with "${sysconfdir}"

index 540f223..d8ec863 100644
@@ -16,11 +16,11 @@ inherit autotools
 pkg_postinst_${PN} () {
 	sed -e '/^hosts:/s/\s*\<myhostname\>//' \
 		-e 's/\(^hosts:.*\)\(\<files\>\)\(.*\)\(\<dns\>\)\(.*\)/\1\2 myhostname \3\4\5/' \
-		-i $D/etc/nsswitch.conf
+		-i ${D}${sysconfdir}/nsswitch.conf
 }
 
 pkg_prerm_${PN} () {
 	sed -e '/^hosts:/s/\s*\<myhostname\>//' \
 		-e '/^hosts:/s/\s*myhostname//' \
-		-i $D/etc/nsswitch.conf
+		-i ${D}${sysconfdir}/nsswitch.conf
 }

index ce7d4a4..69f98b5 100644
@@ -169,10 +169,10 @@ do_install_append_class-target() {
     sed -i s:OEINCDIR:${includedir}/nss3:g ${D}${libdir}/pkgconfig/nss.pc
 
     # Create a blank certificate
-    mkdir -p ${D}/etc/pki/nssdb/
+    mkdir -p ${D}${sysconfdir}/pki/nssdb/
     touch ./empty_password
-    certutil -N -d ${D}/etc/pki/nssdb/ -f ./empty_password
-    chmod 644 ${D}/etc/pki/nssdb/*.db
+    certutil -N -d ${D}${sysconfdir}/pki/nssdb/ -f ./empty_password
+    chmod 644 ${D}${sysconfdir}/pki/nssdb/*.db
     rm ./empty_password
 }