bpo-36721: Fix pkg-config symbolic links on "make install" (GH-13551)

Author: vstinner

Makefile.pre.in

@@ -1261,8 +1261,8 @@ bininstall: altbininstall
 		(cd $(DESTDIR)$(BINDIR); $(LN) -s python$(LDVERSION)-config python$(VERSION)-config); \
 		rm -f $(DESTDIR)$(LIBPC)/python-$(LDVERSION).pc; \
 		(cd $(DESTDIR)$(LIBPC); $(LN) -s python-$(VERSION).pc python-$(LDVERSION).pc); \
-		rm -f $(DESTDIR)$(LIBPC)/python-embed-$(LDVERSION).pc; \
-		(cd $(DESTDIR)$(LIBPC); $(LN) -s python-embed-$(VERSION).pc python-embed-$(LDVERSION).pc); \
+		rm -f $(DESTDIR)$(LIBPC)/python-$(LDVERSION)-embed.pc; \
+		(cd $(DESTDIR)$(LIBPC); $(LN) -s python-$(VERSION)-embed.pc python-$(LDVERSION)-embed.pc); \
 	fi
 	-rm -f $(DESTDIR)$(BINDIR)/python3-config
 	(cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)-config python3-config)