From d6c82b88bc9f4d6ee908afcdb62a3a1847aceed6 Mon Sep 17 00:00:00 2001
From: Christoph Hasse <hassec@users.noreply.github.com>
Date: Fri, 16 Jul 2021 22:06:50 +0200
Subject: [PATCH] refactor: avoid unused variable warning of regex_error

---
 src/exiv2.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/exiv2.cpp b/src/exiv2.cpp
index 3f424358..be47453b 100644
--- a/src/exiv2.cpp
+++ b/src/exiv2.cpp
@@ -451,7 +451,7 @@ int Params::evalGrep(const std::string& optArg)
         // try and emplace regex into vector
         // might throw if invalid pattern
         greps_.emplace_back(pattern, flags);
-    } catch (std::regex_error const& e) {
+    } catch (std::regex_error const&) {
         // there was an error compiling the regexp
         std::cerr << progname() << ": " << _("Option") << " -g: " << _("Invalid regexp") << " \"" << optArg << "\n";
         return 1;