Fixed CVEs in vim: CVE-2022-2124, CVE-2022-2129, CVE-2022-2125, CVE-2022-2126, CVE-2022-1720

CVE-2022-2125: add checking for NUL to avoid running over the end of line - CVE-2022-1720: do not include the NUL in the length to avoid reading past end of line with "gf" in Visual block mode - CVE-2022-2124: add checking for NUL to avoid running over the end of line - CVE-2022-2129: disallow...

Fixed CVEs in vim: CVE-2022-1620, CVE-2022-1616, CVE-2022-1629, CVE-2022-1621, CVE-2022-1619

CVE-2022-1619: fix going before the command line start with latin1 encoding - CVE-2022-1620: fix NULL pointer dereference when using invalig regexp - CVE-2022-1621: fix to avoid adding invalid bytes with :spellgood - CVE-2022-1629: fix reading past end of line if ended with trailing backslash -...