debug compilation fix: net lib missing common deps

```
Undefined symbols for architecture x86_64:
  "common_category()", referenced from:
      make_error_code(common_error) in parse.cpp.o
      make_error_code(common_error) in tor_address.cpp.o
  "boost::system::detail::system_category_ncx()", referenced from:
      boost::system::system_category() in parse.cpp.o
      boost::system::system_category() in socks.cpp.o
      boost::system::system_category() in libepee.a(net_utils_base.cpp.o)
  "boost::system::detail::generic_category_ncx()", referenced from:
      boost::system::generic_category() in parse.cpp.o
      boost::system::generic_category() in socks.cpp.o
      boost::system::generic_category() in tor_address.cpp.o
      boost::system::generic_category() in libepee.a(string_tools.cpp.o)
      boost::system::generic_category() in libepee.a(net_utils_base.cpp.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [src/net/libnet.dylib] Error 1
make[2]: *** [src/net/CMakeFiles/net.dir/all] Error 2
```

1 files changed, 1 insertions, 1 deletions

diff --git a/src/net/CMakeLists.txt b/src/net/CMakeLists.txt
index a81372125..582314b97 100644
--- a/src/net/CMakeLists.txt
+++ b/src/net/CMakeLists.txt
@@ -30,5 +30,5 @@ set(net_sources error.cpp parse.cpp socks.cpp tor_address.cpp)
 set(net_headers error.h parse.h socks.h tor_address.h)
 
 monero_add_library(net ${net_sources} ${net_headers})
-target_link_libraries(net epee ${Boost_ASIO_LIBRARY})
+target_link_libraries(net common epee ${Boost_ASIO_LIBRARY})