Bug 780386: Fix incorrect conversion of hex digits 'A'-'F' in string_to_binary. r=wtc.
Bug 780386: Fix incorrect conversion of hex digits 'A'-'F' in
string_to_binary. r=wtc.

ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old