contrib: re-run autoconf for some packages

they were made with old version of libtool which only know old versions of darwin

contrib/src/dca/rules.mak

@@ -21,6 +21,7 @@ libdca: libdca-$(DCA_VERSION).tar.bz2 .sum-dca
 	$(MOVE)
 
 .dca: libdca
+	$(RECONF)
 	cd $< && $(HOSTVARS) ./configure $(HOSTCONF)
 	cd $< && $(MAKE) install
 	touch $@

contrib/src/theora/rules.mak

@@ -43,9 +43,7 @@ endif
 DEPS_theora = ogg $(DEPS_ogg)
 
 .theora: libtheora
-ifdef HAVE_WIN32
 	$(RECONF)
-endif
 	cd $< && $(HOSTVARS) ./configure $(THEORACONF)
 	cd $< && $(MAKE) install
 	touch $@