unixODBCDrivers.sqlite: fix build with gcc15

[ghpzin]

• add patch from fedora fixing incompatible-pointer-types errors.

Fixes build failure with gcc15:

sqlite3odbc.c:4521:24: error: assignment to 'void (*)(void)'
from incompatible pointer type 'void (*)(char **)' [-Wincompatible-pointer-types]
 4521 |             s->rowfree = freerows;
      |                        ^
sqlite3odbc.c:2185:1: note: 'freerows' declared here
 2185 | freerows(char **rowp)
      | ^~~~~~~~
sqlite3odbc.c: In function 'drvtableprivileges':
sqlite3odbc.c:6173:24: error: assignment to 'void (*)(void)'
from incompatible pointer type 'void (*)(char **)' [-Wincompatible-pointer-types]
 6173 |             s->rowfree = sqlite3_free_table;
      |                        ^
In file included from sqlite3odbc.h:49,
                 from sqlite3odbc.c:25:
/nix/store/w3ibvzff0yrpg8abrl8n2fxn0d9fpfpc-sqlite-3.50.2-dev/include/sqlite3.h:3144:17:
note: 'sqlite3_free_table' declared here
 3144 | SQLITE_API void sqlite3_free_table(char **result);
      |                 ^~~~~~~~~~~~~~~~~~
sqlite3odbc.c: In function 'drvprimarykeys':
sqlite3odbc.c:6593:16: error: assignment to 'void (*)(void)' from
incompatible pointer type 'void (*)(char **)' [-Wincompatible-pointer-types]
 6593 |     s->rowfree = freerows;
      |                ^

---

Tested build with:

nix-build --expr 'with import ./. {}; unixODBCDrivers.sqlite.override { stdenv = gcc15Stdenv; }'

Part of fixes for gcc15 update:
#440456

Things done

• Built on platform:
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• Tested, as applicable:
  • NixOS tests in nixos/tests.
  • Package tests at passthru.tests.
  • Tests in lib/tests or pkgs/test for functions and "core" functionality.
• Ran nixpkgs-review on this PR. See nixpkgs-review usage.
• Tested basic functionality of all binary files, usually in ./result/bin/.
• Nixpkgs Release Notes
  • Package update: when the change is major or breaking.
• NixOS Release Notes
  • Module addition: when adding a new NixOS module.
  • Module update: when the change is significant.
• Fits CONTRIBUTING.md, pkgs/README.md, maintainers/README.md and other READMEs.

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