Obey $(PERL) when running util/mklink.pl.

Submitted by:
Reviewed by:
PR:
diff --git a/ssl/Makefile.ssl b/ssl/Makefile.ssl
index e28fbb1..53a3670 100644
--- a/ssl/Makefile.ssl
+++ b/ssl/Makefile.ssl
@@ -61,9 +61,9 @@
 
 links:
 	@$(TOP)/util/point.sh Makefile.ssl Makefile
-	@$(TOP)/util/mklink.pl ../include/openssl $(EXHEADER)
-	@$(TOP)/util/mklink.pl ../test $(TEST)
-	@$(TOP)/util/mklink.pl ../apps $(APPS)
+	@$(PERL) $(TOP)/util/mklink.pl ../include/openssl $(EXHEADER)
+	@$(PERL) $(TOP)/util/mklink.pl ../test $(TEST)
+	@$(PERL) $(TOP)/util/mklink.pl ../apps $(APPS)
 
 install:
 	@for i in $(EXHEADER) ; \