$NetBSD: patch-aa,v 1.5 2015/10/03 12:08:37 bsiegert Exp $

Fix build on Solaris, from PR 37720.

--- config/config.mk.in.orig	2015-06-21 16:19:25.000000000 +0200
+++ config/config.mk.in	2015-10-02 05:22:11.000000000 +0200
@@ -148,7 +148,7 @@
 
         # Dependency files post-process commands
         POSTDEPEND = if test ! -d $(DEPDIR); then mkdir $(DEPDIR); fi; \
-	        if test -e $*.d; then cp $*.d $(DEPDIR)/$*.d; \
+	        if test -f $*.d; then cp $*.d $(DEPDIR)/$*.d; \
 	        sed -e 's/^\#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
                     -e '/^$$/ d' -e 's/$$/ :/' < $*.d >> $(DEPDIR)/$*.d; \
                 $(RM) $*.d; fi