* p-lang.h (is_pascal_string_type): Declaration changed,
new sixth argument of type char ** added.
* p-lang.c (is_pascal_string_type): Implementation
changed. Args length_pos, length_size, string_pos, char_size
can now be NULL. New argument arrayname set to the field
name of the char array. Return value set to char array
field index plus one.
* p-valprint.c (pascal_val_print): Adapt to new declaration of
is_pascal_string_type function.
* p-lang.c (is_pascal_string_type): New function to determine if a
type is a string type.
* p-lang.h: Add prototype for is_pascal_string_type.
* p-valprint.c (pascal_val_print) : Use is_pascal_string_type function
to display strings nicely.
