There was a lower case r in the macro OBJDIr for nsJARFactory.obj

modules/libjar/makefile.win

@@ -39,7 +39,7 @@ EXPORTS=zipfile.h nsIJAR.h nsIZip.h nsJARIIDs.h
 
 OBJS=.\$(OBJDIR)\nsZipArchive.obj \
      .\$(OBJDIR)\nsJAR.obj \
-     .\$(OBJDIr)\nsJARFactory.obj
+     .\$(OBJDIR)\nsJARFactory.obj
 
 LINCS=                         \
     -I$(XPDIST)\public\nspr    \