Enable VST3 build on MSVC, remove C++98 workaround

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/makefile.yml

@@ -40,7 +40,7 @@ jobs:
         CXXFLAGS: -Werror -std=gnu++98
       run: |
         make clean >/dev/null
-        make -j $(nproc) VST3_FILENAME=
+        make -j $(nproc)
     - name: No namespace
       env:
         CFLAGS: -Werror

cmake/DPF-plugin.cmake

@@ -154,11 +154,7 @@ function(dpf_add_plugin NAME)
     elseif(_target STREQUAL "vst2")
       dpf__build_vst2("${NAME}" "${_dgl_library}")
     elseif(_target STREQUAL "vst3")
-      if(MSVC)
-        message(WARNING "TODO: VST3 is not supported on MSVC yet")
-      else()
-        dpf__build_vst3("${NAME}" "${_dgl_library}")
-      endif()
+      dpf__build_vst3("${NAME}" "${_dgl_library}")
     else()
       message(FATAL_ERROR "Unrecognized target type for plugin: ${_target}")
     endif()