Fix MSVC warnings about unreferenced variables.

diff --git a/taglib/toolkit/tstring.cpp b/taglib/toolkit/tstring.cpp
index 283a7f2b9b6a58c535ed9b7c1c1b4199b3a3508d..b26e02fa41b077a3babc0a7d1a6be4b8f18c2bd7 100644 (file)
--- a/taglib/toolkit/tstring.cpp
+++ b/taglib/toolkit/tstring.cpp
@@ -68,7 +68,8 @@ namespace
       data.resize(dstEnd - data.begin());
     }
     catch(const utf8::exception &e) {
-      debug(String("String::copyFromUTF8() - UTF8-CPP error: ") + e.what());
+      const String message(e.what());
+      debug("String::copyFromUTF8() - UTF8-CPP error: " + message);
       data.clear();
     }
   }
@@ -435,7 +436,8 @@ ByteVector String::data(Type t) const
         v.resize(static_cast<unsigned int>(dstEnd - v.begin()));
       }
       catch(const utf8::exception &e) {
-        debug(String("String::data() - UTF8-CPP error: ") + e.what());
+        const String message(e.what());
+        debug("String::data() - UTF8-CPP error: " + message);
         v.clear();
       }