From 49cf84578e630db55cd6cb368cc29ecc6df5f50e Mon Sep 17 00:00:00 2001
From: Sean Bright <sean.bright@gmail.com>
Date: Fri, 13 Mar 2020 14:43:05 -0400
Subject: [PATCH] chan_vpb: Fix 'catching polymorphic type ... by value' error
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Fixes the following compile error:

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

Change-Id: Ic87bc357d72427d77626735c83200fd278a7a649
---
 channels/chan_vpb.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/channels/chan_vpb.cc b/channels/chan_vpb.cc
index e8cd961013..fe99d5df0b 100644
--- a/channels/chan_vpb.cc
+++ b/channels/chan_vpb.cc
@@ -2691,7 +2691,7 @@ 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;
 	}
-- 
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