depends: native_protobuf: avoid system zlib

Author: dongcarl

depends/packages/native_protobuf.mk

@@ -5,7 +5,7 @@ $(package)_file_name=protobuf-$($(package)_version).tar.bz2
 $(package)_sha256_hash=ee445612d544d885ae240ffbcbf9267faa9f593b7b101f21d58beceb92661910
 
 define $(package)_set_vars
-$(package)_config_opts=--disable-shared
+$(package)_config_opts=--disable-shared --without-zlib
 endef
 
 define $(package)_config_cmds