Switch to side-by-side view

--- a/src/qtgui/recoll.pro.in
+++ b/src/qtgui/recoll.pro.in
@@ -68,5 +68,8 @@
 contains( UNAME, [lL]inux ) {
           LIBS -= -liconv
 }
+contains( UNAME, SunOS ) {
+          LIBS += -ldl
+}
 
 TRANSLATIONS = i18n/recoll_fr.ts i18n/recoll_ru.ts i18n/recoll_uk.ts