chore(build): Enable all warnings on qTox libraries as well

warnings interface was only being linked to qtox_static, so were not being
applied to e.g. util. Link it to each library as well as qtox_static so that
they all inherit all the warnings.

CMakeLists.txt

@@ -626,10 +626,10 @@ target_link_libraries(${PROJECT_NAME}_static
   ${ALL_LIBRARIES}
   coverage_config)
 
+target_link_libraries(${PROJECT_NAME}_static qtox::warnings)
 target_link_libraries(${PROJECT_NAME}_static util_library)
 target_link_libraries(${PROJECT_NAME}_static audio_library)
 target_link_libraries(${PROJECT_NAME}_static translations_library)
-target_link_libraries(${PROJECT_NAME}_static qtox::warnings)
 
 add_executable(${PROJECT_NAME}
   WIN32

audio/CMakeLists.txt

@@ -38,3 +38,4 @@ target_include_directories(audio_library PUBLIC include/)
 target_link_libraries(audio_library util_library)
 target_link_libraries(audio_library Qt5::Core)
 target_link_libraries(audio_library ${OPENAL_LIBRARIES})
+target_link_libraries(audio_library qtox::warnings)

test/mock/CMakeLists.txt

@@ -29,4 +29,5 @@ target_link_libraries(mock_library
   util_library
   Qt5::Core
   Qt5::Network
-  Qt5::Gui)
+  Qt5::Gui
+  qtox::warnings)

util/CMakeLists.txt

@@ -27,3 +27,4 @@ add_library(util_library STATIC
 # We need this directory, and users of our library will need it too
 target_include_directories(util_library PUBLIC include/)
 target_link_libraries(util_library PRIVATE Qt5::Core)
+target_link_libraries(util_library PRIVATE qtox::warnings)