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rpluem in subversion

Adjust grep syntax to be able to run it with Perl 5.16.3.

[c:skip]

* tools/dist/backport.pl

(vote) Adjust grep syntax to be able to run it with Perl 5.16.3.

* STATUS: Nominate r1845204.
* STATUS: Nominate r1845204.
* STATUS: Nominate r1845204.
Fix issue SVN-4782: Do not use (const char*)1 in httpd modules as value for r->notes.

mod_authz_svn.c and mod_dav_svn.c add keys to r->notes to memorize boolean

states (FORCE_AUTHN_NOTE, IN_SOME_AUTHN_NOTE, authz_svn-anon-ok,

NO_MAP_TO_STORAGE_NOTE). They use (const char*)1 as values for the keys. This

causes any call to apr_table_clone for r->notes to crash with a SEGFAULT,

because (const char*)1 is an invalid address. mod_http2 in httpd calls

apr_table_clone for r->notes and hence the httpd process crashes.

Hence replace the value of (const char*)1 in these cases with a value of "1".

* subversion/mod_authz_svn/mod_authz_svn.c

(access_checker, check_user_id): Replace value of (const char*)1 with "1"

in apr_table_setn calls for r->notes table for keys FORCE_AUTHN_NOTE,

IN_SOME_AUTHN_NOTE, authz_svn-anon-ok to set a value with an valid address.

* subversion/mod_authz_svn/mod_dav_svn.c

(dav_svn__translate_name): Replace value of (const char*)1 with "1"

in apr_table_setn calls for r->notes table for keys NO_MAP_TO_STORAGE_NOTE

to set a value with an valid address.

[U:server] mod_dav_svn, mod_authz_svn: Fix segfault under mod_http2 (SVN-4782)