Fix some stuff involving calls to memcpy and memset

The important parts of the patch were already applied through other updates.

(closes issue ASTERISK-19445)
Reported by: Makoto Dei
Patches:
	memset-memcpy-length.patch uploaded by Makoto Dei (license 5027)
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Merged revisions 361210 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 361211 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@361212 65c4cc65-6c06-0410-ace0-fbb531ad65f3

addons/ooh323cDriver.c

@@ -152,7 +152,6 @@ int ooh323c_start_call_thread(ooCallData *call) {
 	}
 
 	ast_module_ref(myself);
-	memset(cur, 0, sizeof(cur));
 	if ((socketpair(PF_LOCAL, SOCK_STREAM, 0, cur->thePipe)) == -1) {
 		ast_log(LOG_ERROR, "Can't create thread pipe for call %s\n", call->callToken);
 		free(cur);