fix bug in recent commit.

Author: jacobwilliams

src/json_value_module.F90

@@ -9028,7 +9028,7 @@ subroutine get_current_line_from_file_stream(json,iunit,line)
         end if
         istart = istart-1  !rewind until the beginning of the line
     end do
-    iend = istart
+    iend = json%ipos
     do
         read(iunit,pos=iend,iostat=ios) c
         if (IS_IOSTAT_END(ios)) then