Log Message:
link-grammar: update to 5.10.2

Version 5.10.2 (16 Sept 2021)
 * Fix python install path.
 * Fix size in brand-new `link-generator` (hits 32-bit & ARM) #1247

Version 5.10.1 (7 Sept 2021)
 * Fix perl bindings build fail. #1248

Version 5.10.0 (4 September 2021)
 * Expanded English vocabulary
 * Support dictionary "#define allow-duplicate-words true". #1204
 * Fix crash for sentences containing wildcard words. #1206
 * Connector names starting with "ID" are no longer reserved. #1208
 * Connector names starting with underbar are reserved for internal use.
 * ".I" subscripts are no longer reserved; "._" subscripts \ 
are reserved.
   These last three changes introduce linkage incompatibilities.
 * Fix parsing with nulls when using an sqlite3 dictionary.
 * Fix regexes for NetBSD when using libc regexes. #1223
 * English dict: fix many "how?" questions.
 * English dict: fix conditional sentences #1240