version: fix link to new version strings

p2p uses it, and the cpp file needs to know the symbols should
be public

src/p2p/CMakeLists.txt

@@ -39,6 +39,7 @@ monero_add_library(p2p ${P2P})
 target_link_libraries(p2p
   PUBLIC
     epee
+    version
     ${UPNP_LIBRARIES}
     ${Boost_CHRONO_LIBRARY}
     ${Boost_PROGRAM_OPTIONS_LIBRARY}