My pvpgn allways Stop and this is error when make pvpgn

Please help me i'm install from git, and my pvpgn allways stop, and this is error when i make pvpgn/compile

/home/pvpgn/src/common/tag.cpp: In function ‘pvpgn::t_clienttag pvpgn::tag_validate_client(const char*)’:
/home/pvpgn/src/common/tag.cpp:643:11: warning: converting to non-pointer type ‘pvpgn::t_clienttag {aka unsigned int}’ from NULL [-Wconversion-null]
/home/pvpgn/src/common/tag.cpp:649:11: warning: converting to non-pointer type ‘pvpgn::t_clienttag {aka unsigned int}’ from NULL [-Wconversion-null]

/home/pvpgn/src/common/xstring.cpp: In function ‘char* pvpgn::str_replace(char*, char*, char*)’:
/home/pvpgn/src/common/xstring.cpp:290:10: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
/home/pvpgn/src/common/xstring.cpp:293:11: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]

/home/pvpgn/src/bnetd/connection.cpp: In function ‘int pvpgn::bnetd::conn_set_channel(pvpgn::bnetd::t_connection*, const char*)’:
/home/pvpgn/src/bnetd/connection.cpp:2008:192: warning: passing NULL to non-pointer argument 3 of ‘pvpgn::bnetd::t_channel* pvpgn::bnetd::channel_create(const char*, const char*, pvpgn::t_clienttag, int, int, int, int, const char*, const char*, int, int, int, int)’ [-Wconversion-null]

/home/pvpgn/src/bnetd/handle_wol.cpp: In function ‘int pvpgn::bnetd::_handle_joingame_command(pvpgn::bnetd::t_connection*, int, char**, char*)’:
/home/pvpgn/src/bnetd/handle_wol.cpp:1110:205: warning: passing NULL to non-pointer argument 3 of ‘pvpgn::bnetd::t_channel* pvpgn::bnetd::channel_create(const char*, const char*, pvpgn::t_clienttag, int, int, int, int, const char*, const char*, int, int, int, int, pvpgn::t_list*)’ [-Wconversion-null]

/home/pvpgn/src/bnetd/helpfile.cpp: In function ‘int pvpgn::bnetd::describe_command(pvpgn::bnetd::t_connection*, const char*)’:
/home/pvpgn/src/bnetd/helpfile.cpp:235:46: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]

/home/pvpgn/src/bnetd/sql_common.cpp:73:78: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings

/home/pvpgn/src/bnetd/anongame_wol.cpp: In function ‘int pvpgn::bnetd::_get_pair(int*, int*, int, bool)’:

/home/pvpgn/src/bnetd/anongame_wol.cpp:343:38: warning: integer overflow in expression [-Woverflow]

/home/pvpgn/src/bnetd/i18n.cpp:101:36: warning: ‘countries’ initialized and declared ‘extern’ [enabled by default]

/home/pvpgn/src/bnetd/i18n.cpp:464:1130: warning: overflow in implicit constant conversion [-Woverflow]