build: use FFMPEG_INCLUDE_DIRS

sergiomb2 · web-flow · commit ce57832d0897 · 2023-11-19T12:03:41.000+01:00
... for building vnc2mpg example.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -641,6 +641,7 @@ if(NOT LIBSSH2_FOUND)
 endif()
 
 if(FFMPEG_FOUND)
+  include_directories(${FFMPEG_INCLUDE_DIRS})
   set(LIBVNCCLIENT_EXAMPLES
     ${LIBVNCCLIENT_EXAMPLES}
     vnc2mpg
