Use safer quoting for placeholders

[mattlaw]

Switch to mysql_real_escape_string_quote for placeholder replacement, allowing placeholders to be used when NO_BACKSLASH_ESCAPES is in effect.

[dveeden]

Closing this as it seems to be the same diff as #457

[mattlaw]

It's the same diff, but on different branches. This one is a backport for v4

[dveeden]

It's the same diff, but on different branches. This one is a backport for v4

Ah. I missed that. I'll merge this once #457 has been merged.

[gregoa]

Fails with MariaDB, and my assumption was that the 4.* branch should keep compatibility with MariaDB?

dbdimp.c: In function 'parse_params':
dbdimp.c:769:22: error: implicit declaration of function 'mysql_real_escape_string_quote'; did you mean 'mysql_real_escape_string'? [-Wimplicit-function-declaration]
  769 |               ptr += mysql_real_escape_string_quote(sock, ptr, valbuf, vallen, '\'');
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                      mysql_real_escape_string
make[1]: *** [Makefile:358: dbdimp.o] Error 1