Compiling client/client.c
client/client.c: In function `do_get':
client/client.c:738: warning: passing arg 4 of `cli_getattrE' from incompatible
pointer type
`regex_t' is undeclared in client/clitar.c even if we have found regex.h and
HAVE_REGEX_H is defined.

This build problem only happens to our current development tree.

client/client.c: In function `do_put':
client/client.c:1115: warning: passing arg 4 of `cli_getattrE' from incompatible
pointer type
Compiling client/clitar.c
client/clitar.c:91: error: syntax error before '*' token
client/clitar.c:91: warning: type defaults to `int' in declaration of `preg'
client/clitar.c:91: warning: data definition has no type or storage class
client/clitar.c: In function `do_tar':
client/clitar.c:801: warning: implicit declaration of function `regexec'
client/clitar.c: In function `tar_parseargs':
client/clitar.c:1754: error: `regex_t' undeclared (first use in this function)