* dwarfread.c (decode_modified_type): Change type of first arg.

* dwarfread.c (decode_modified_type):  Change type of first arg.
Change 'modifier' to char from unsigned char.  Cast single use
that needs to be unsigned char.
* symtab.h (SYMBOL_BASEREG_VALID):  Explain disabling.
* utils.c (strdup_demangled):  Add function.
* defs.h (strdup_demangled):  Add prototype.
* stack.c (return_command):  Demangle C++ function names for query.
* infcmd.c (jump_command):  Demangle C++ function names for query.
* cplus-dem.c (consume_count):  New function and prototype.
* cplus-dem.c (demangle_class, gnu_special, demangle_func_type,
do_type):  Replace conversion code with consume_count().
* cplus-dem.c (gnu_special):  Fix demangled of static members.
* source.c (list_command):  Print demangled function names
when appropriate.  Fix supplied by Peter Schauer.