CMake: fix more linking errors in dynamic mode

CMakeLists.txt

@@ -1169,6 +1169,14 @@ if(LINUX)
     target_link_libraries(libfastfetch
         PRIVATE "m"
     )
+
+    if(ENABLE_DIRECTX_HEADERS)
+        if(NOT BINARY_LINK_TYPE STREQUAL "dlopen")
+            target_link_libraries(libfastfetch
+                PRIVATE "/usr/lib/wsl/lib/libdxcore.so"
+            )
+        endif()
+    endif()
 elseif(APPLE)
     target_link_libraries(libfastfetch
         PRIVATE "-framework AVFoundation"

src/detection/gpu/gpu_mthreads.c

@@ -30,7 +30,7 @@ struct FFMtmlData
     MtmlSystem *sys;
 } mtmlData;
 
-static void shutdownMtml()
+FF_MAYBE_UNUSED static void shutdownMtml(void)
 {
     mtmlData.ffmtmlLibraryShutDown(mtmlData.lib);
 }