LibXcursor is leaking memory

Issue

A memory leak has been detected in libXcursor with any Xt or Openmotif program running under Valgrind:

==3210== 60 bytes in 1 blocks are definitely lost in loss record 386 of 724  
==3210==    at 0x4A05E1C: malloc (vg_replace_malloc.c:195)  
==3210==    by 0x3403C05495: _XcursorFileHeaderCreate (file.c:219)  
==3210==    by 0x3403C05CB7: _XcursorReadFileHeader (file.c:255)  
==3210==    by 0x3403C066C8: XcursorXcFileLoadImages (file.c:659)  
==3210==    by 0x3403C067E8: XcursorFileLoadImages (file.c:948)  
==3210==    by 0x3403C07074: XcursorLibraryLoadImages (library.c:311)  
==3210==    by 0x3403C079A7: XcursorTryShapeCursor (xlib.c:106)  
==3210==    by 0x33FFC250B3: XCreateGlyphCursor (CrGlCur.c:175)  
==3210==    by 0x33FFC25610: XCreateFontCursor (Cursor.c:52)  
==3210==    by 0x340D81A3F0: XtCvtStringToCursor (Converters.c:688)  
==3210==    by 0x340D815953: CallConverter (Convert.c:808)  
==3210==    by 0x340D815CDB: _XtConvert (Convert.c:896)