Make sure dirent is available on MSVC

It is a header only library, but calling find_package and "linking" against it makes sure, that it is found and that the include paths are available for us

Author: jlskuz

CMakeLists.txt

@@ -190,6 +190,7 @@ endif()
 
 if (MSVC)
   find_package(PThreads4W REQUIRED)
+  find_package(Dirent 1.26 REQUIRED)
 endif ()
 find_package(Threads REQUIRED)
 find_package(PkgConfig REQUIRED)

src/framework/CMakeLists.txt

@@ -87,7 +87,7 @@ target_compile_options(mlt PRIVATE ${MLT_COMPILE_OPTIONS})
 target_link_libraries(mlt PRIVATE Threads::Threads ${CMAKE_DL_LIBS})
 
 if(MSVC)
-  target_link_libraries(mlt PRIVATE msvccompat PThreads4W::PThreads4W)
+  target_link_libraries(mlt PRIVATE msvccompat PThreads4W::PThreads4W dirent)
 else()
   target_link_libraries(mlt PRIVATE m)
 endif()