Fix broken gettext domain.
--- a/configure.ac
+++ b/configure.ac
@@ -137,8 +137,8 @@ AC_ARG_VAR([DEFAULT_LOG_TARGET], m4_flatten([
 
 #############################################################
 
-AC_SUBST([GETTEXT_PACKAGE], [PACKAGE_NAME])
-AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"],)
+GETTEXT_PACKAGE=firewalld
+AC_SUBST(GETTEXT_PACKAGE)
 
 IT_PROG_INTLTOOL([0.35.0], [no-xml])
 AM_PO_SUBDIRS