Merge branch 'v2.x' of https://github.com/sysown/proxysql into v2.x

deps/Makefile

@@ -92,7 +92,7 @@ ifeq ($(MIN_VERSION),$(lastword $(sort $(GCC_VERSION) $(MIN_VERSION))))
 	REQUIRE_PATCH = true
 endif
 
-libhttpserver/libhttpserver/build/src/.libs/libhttpserver.a: libmicrohttpd/libmicrohttpd/src/microhttpd/.libs/libmicrohttpd.a
+libhttpserver/libhttpserver/build/src/.libs/libhttpserver.a: libmicrohttpd/libmicrohttpd/src/microhttpd/.libs/libmicrohttpd.a re2/re2/obj/libre2.a
 	cd libhttpserver && rm -rf libhttpserver-*/ || true
 	cd libhttpserver && tar -zxf libhttpserver-0.18.1.tar.gz
 ifeq ($(REQUIRE_PATCH), true)