bdfReadCharacters: ensure metrics fit into xCharInfo struct
We use 32-bit ints to read from the bdf file, but then try to stick
into a 16-bit int in the xCharInfo struct, so make sure they won't
overflow that range.
(From OE-Core rev: 4dd4b96b6d60246338bb30ede9f3ab1b2e757be9)
(From OE-Core rev: 1e2a947e65f5fb6e01459c9ddd6515a7131d92c7)
Signed-off-by: Li Zhou <li.zhou@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
6504fa687a