add missing IMF_EXPORT to ImfOpenInputFile in order to be able to use it from a windows dll
@@ -443,6 +443,7 @@ int ImfTiledOutputLevelRoundingMode
struct ImfInputFile;
typedef struct ImfInputFile ImfInputFile;
+IMF_EXPORT
ImfInputFile * ImfOpenInputFile (const char name[]);
IMF_EXPORT
