lib: data-stack - disambiguate sizes in t_pop_verify In DEBUG mode, the allocated size is bigger than the requested size, so rename the variable to reflect its real meaning, and move it into a tighter scope in the process.
lib: data-stack - disambiguate sizes in t_pop_verify
In DEBUG mode, the allocated size is bigger than the requested size, so
rename the variable to reflect its real meaning, and move it into a
tighter scope in the process.

Signed-off-by: Phil Carmody <e888d2bd6f13f82caa51a37c03d034c76f661ba3@dovecot.fi>

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot