Camera (FreeBSD): fix module was incorrectly disabled (v2)

Author: CarterLi

CMakeLists.txt

@@ -1203,6 +1203,9 @@ if(WIN32)
     endif()
     set(CMAKE_CXX_STANDARD 17)
 endif()
+if(FreeBSD)
+  set(CMAKE_REQUIRED_INCLUDES "/usr/local/include" "/usr/include")
+endif()
 if(LINUX OR FreeBSD)
     CHECK_INCLUDE_FILE("linux/videodev2.h" HAVE_LINUX_VIDEODEV2)
     if(HAVE_LINUX_VIDEODEV2)