build: fix libunwind configure flags

Author: vtjnash

deps/unwind.mk

@@ -27,7 +27,7 @@ $(SRCCACHE)/libunwind-$(UNWIND_VER)/libunwind-static-arm.patch-applied: $(SRCCAC
 $(BUILDDIR)/libunwind-$(UNWIND_VER)/build-configured: $(SRCCACHE)/libunwind-$(UNWIND_VER)/source-extracted $(SRCCACHE)/libunwind-$(UNWIND_VER)/libunwind-static-arm.patch-applied
 	mkdir -p $(dir $@)
 	cd $(dir $@) && \
-	$(dir $<)/configure $(CONFIGURE_COMMON) CPPFLAGS="$(CPPFLAGS) $(LIBUNWIND_CPPFLAGS)" CFLAGS="$(CFLAGS) $(LIBUNWIND_CFLAGS)" --disable-shared --disable-minidebuginfo --disable-tests
+	$(dir $<)/configure $(CONFIGURE_COMMON) CPPFLAGS="$(CPPFLAGS) $(LIBUNWIND_CPPFLAGS)" CFLAGS="$(CFLAGS) $(LIBUNWIND_CFLAGS)" --enable-shared --disable-minidebuginfo --disable-tests
 	echo 1 > $@
 
 $(BUILDDIR)/libunwind-$(UNWIND_VER)/build-compiled: $(BUILDDIR)/libunwind-$(UNWIND_VER)/build-configured