File qucs-no-return-in-nonvoid-function.patch of Package qucs

diff --git a/qucs/dialogs/exportdialog.cpp b/qucs/dialogs/exportdialog.cpp
index a23047a..15bf988 100644
--- a/qucs/dialogs/exportdialog.cpp
+++ b/qucs/dialogs/exportdialog.cpp
@@ -331,11 +331,18 @@ void ExportDialog::recalcScale()
 
 ExportDialog::ImgFormat ExportDialog::getImgFormat()
 {
+    // default
+    ExportDialog::ImgFormat ImgFormat = ExportDialog::Coloured;
+
     switch (cbxImgType->currentIndex()) {
-    case 0 : return ExportDialog::Coloured;
+    case 0 :
+        ImgFormat = ExportDialog::Coloured;
         break;
-    case 1 : return ExportDialog::Monochrome;
+    case 1 :
+        ImgFormat = ExportDialog::Monochrome;
         break;
     default : break;
     }
+
+    return ImgFormat;
 }