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only process args that exist

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ASTERISK-18395
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Merged revisions 341809 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 341810 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@341811 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Nicholson
2011-10-21 16:42:56 +00:00
parent 9c7a017540
commit f39cbc004d
1 changed files with 1 additions and 1 deletions
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pbx/pbx_lua.c
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@@ -669,7 +669,7 @@ static void lua_concat_args(lua_State *L, int start, int nargs) {
int concat = 0; int concat = 0;
int i = start + 1; int i = start + 1;
if (!lua_isnil(L, start)) { if (start <= nargs && !lua_isnil(L, start)) {
lua_pushvalue(L, start); lua_pushvalue(L, start);
concat += 1; concat += 1;
} }