XXX Remove nawk(1)

@@ -51,11 +51,11 @@
                 messages.po $(TEXT_DOMAIN).po > $(POFILE); \
         $(RM) messages.po $(TEXT_DOMAIN).po
 
 BUILDPO.pofiles = \
         $(RM) $(POFILE); \
-        $(NAWK) '\
+        $(AWK) '\
             FNR == 1            { print "\# Messages from " FILENAME; } \
             /^domain/           { next; } \
             /^msgid/, /^msgstr/ { msg = msg "\n" $$0; \
                                   if ( $$0 !~ /^msgstr/ ) next; \
                                   if (msg in messages) { \