operator bool for streams is explicit in C++11, so request it where
necessary.


(joerg)

$NetBSD: patch-src_ExportDlgImpl.cpp,v 1.1 2017/06/17 19:36:06 joerg Exp $

--- src/ExportDlgImpl.cpp.orig	2017-06-10 16:00:59.141430187 +0000
+++ src/ExportDlgImpl.cpp
@@ -371,7 +371,7 @@ bool ExportDlgImpl::exportAsText(const s
         out << "\n\n";
     }
 
-    return out;
+    return bool(out);
 }
 
 
@@ -424,7 +424,7 @@ bool ExportDlgImpl::exportAsM3u(const st
         out << pCodec->fromUnicode(qs).constData() << endl;
     }
 
-    return out;
+    return bool(out);
 }
 
 
@@ -761,6 +761,6 @@ bool ExportDlgImpl::exportAsXml(const st
 
     out << "</files>\n";
 
-    return out;
+    return bool(out);
 }
 

$NetBSD: patch-src_MainFormDlgImpl.cpp,v 1.1 2017/06/17 19:36:06 joerg Exp $

--- src/MainFormDlgImpl.cpp.orig	2017-06-10 15:47:07.854499376 +0000
+++ src/MainFormDlgImpl.cpp
@@ -119,7 +119,7 @@ namespace
         {
             m_strFileName = strFileName;
             ofstream_utf8 out (m_strFileName.c_str(), ios_base::app);
-            return out;
+            return bool(out);
         }
 
         void close() { m_strFileName.clear(); }
@@ -128,7 +128,7 @@ namespace
         {
             ofstream_utf8 out (m_strFileName.c_str(), ios_base::app);
             out << s;
-            return out;
+            return bool(out);
         }
     };
 #else // #ifndef WIN32