Release B channel allocation on error path in chan_misdn.

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Merged revisions 370563 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 370564 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@370565 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_misdn.c

@@ -8007,6 +8007,7 @@ static struct ast_channel *misdn_request(const char *type, struct ast_format_cap
 	/* create ast_channel and link all the objects together */
 	cl = chan_list_init(ORG_AST);
 	if (!cl) {
+		misdn_lib_release(newbc);
 		ast_log(LOG_ERROR, "Could not create call record for Dial(%s)\n", dial_str);
 		return NULL;
 	}
@@ -8015,6 +8016,7 @@ static struct ast_channel *misdn_request(const char *type, struct ast_format_cap
 	ast = misdn_new(cl, AST_STATE_RESERVED, args.ext, NULL, cap, requestor ? ast_channel_linkedid(requestor) : NULL, port, channel);
 	if (!ast) {
 		chan_list_unref(cl, "Failed to create a new channel");
+		misdn_lib_release(newbc);
 		ast_log(LOG_ERROR, "Could not create Asterisk channel for Dial(%s)\n", dial_str);
 		return NULL;
 	}