Replace missing directory delimiter for postmaster installation command.

src/backend/Makefile

@@ -34,7 +34,7 @@
 #
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.25 1997/09/19 19:44:30 scrappy Exp $
+#    $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.26 1997/09/20 16:08:24 thomas Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -122,7 +122,7 @@ ifeq ($(MAKE_EXPORTS), true)
 	$(INSTALL) $(INSTLOPTS) $(POSTGRES_IMP) $(LIBDIR)/$(POSTGRES_IMP)
 endif
 	@rm -f $(BINDIR)/postmaster
-	ln -s postgres $(BINDIR)postmaster
+	ln -s postgres $(BINDIR)/postmaster
 	$(INSTALL) $(INSTLOPTS) fmgr.h $(HEADERDIR)/fmgr.h
 	$(INSTALL) $(INSTLOPTS) global1.bki.source \
 	  $(LIBDIR)/global1.bki.source