From: Sean Bright <sean.bright@gmail.com>
Date: Fri, 13 Mar 2020 18:43:05 +0000 (-0400)
Subject: chan_vpb: Fix 'catching polymorphic type ... by value' error
X-Git-Tag: 13.33.0-rc1~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e4e016a6cdfa50a0cde7a2cf75ad03dc9a2207a;p=thirdparty%2Fasterisk.git

chan_vpb: Fix 'catching polymorphic type ... by value' error

Fixes the following compile error:

    chan_vpb.cc:2688:26: error: catching polymorphic type
        ‘class std::exception’ by value

Change-Id: Ic87bc357d72427d77626735c83200fd278a7a649
---

diff --git a/channels/chan_vpb.cc b/channels/chan_vpb.cc
index 92d9287b58..e858939ae9 100644
--- a/channels/chan_vpb.cc
+++ b/channels/chan_vpb.cc
@@ -2685,7 +2685,7 @@ static enum ast_module_load_result load_module()
 	ast_format_cap_append(vpb_tech_indicate.capabilities, ast_format_slin, 0);
 	try {
 		num_cards = vpb_get_num_cards();
-	} catch (std::exception e) {
+	} catch (std::exception&) {
 		ast_log(LOG_ERROR, "No Voicetronix cards detected\n");
 		return AST_MODULE_LOAD_DECLINE;
 	}