Based on patches from H J Lu <hjl@zoom.com>:
* objcopy.c (remove_leading_char): New static variable.
(OPTION_REMOVE_LEADING_CHAR): Define.
(copy_usage): Mention --remove-leading-char.
(filter_symbols): If remove_leading_char, and the first character
of a global symbol matches the symbol leading char of the BFD,
remove the first character.
(copy_object): Filter the symbols if remove_leading_char is set.
(copy_main): Handle --remove-leading-char.
* binutils.texi, objcopy.1: Document --remove-leading-char.