ensure reslist parformat is refreshed after edit (1.11 bug)

src/qtgui/guiutils.cpp

@@ -193,6 +193,7 @@ void rwSettings(bool writing)
 	QString::fromAscii(prefs.getV18DfltResListFormat()) || 
 	prefs.reslistformat.stripWhiteSpace().isEmpty())
 	prefs.reslistformat = rlfDflt;
+    prefs.creslistformat = (const char*)prefs.reslistformat.utf8();
 
     SETTING_RW(prefs.queryStemLang, "/Recoll/prefs/query/stemLang", ,
 	       "english");

src/qtgui/guiutils.h

@@ -67,6 +67,7 @@ class PrefsPack {
     int reslistfontsize;
     // Result list format string
     QString reslistformat;
+    string  creslistformat;
     QString queryStemLang;
     int mainwidth;
     int mainheight;

src/qtgui/reslist.cpp

@@ -380,10 +380,7 @@ string QtGuiResListPager::detailsLink()
 }
 const string& QtGuiResListPager::parFormat()
 {
-    static string parformat;
-    if (parformat.empty())
-	parformat = (const char*)prefs.reslistformat.utf8();
-    return parformat;
+    return prefs.creslistformat;
 }
 string QtGuiResListPager::nextUrl()
 {

src/qtgui/uiprefs_w.cpp

@@ -192,6 +192,7 @@ void UIPrefsDialog::accept()
 	prefs.reslistformat = prefs.getDfltResListFormat();
 	rlfTE->setText(prefs.reslistformat);
     }
+    prefs.creslistformat = (const char*)prefs.reslistformat.utf8();
 
     prefs.htmlBrowser =  helpBrowserLE->text();