no prompt to save when changing un modified memorybase

src/qtapp/mdemList.cpp

@@ -1157,6 +1157,16 @@ QMainWindow *initMdemListWindow() {
 				    fileDialog,
 					&QFileDialog::fileSelected,
 					[](QString directory) {
+
+                        // MARK
+                        bool unsavedMdem = false;
+                        for (auto pair: buffers) {
+                            if (pair.second->isModified) {
+                                unsavedMdem = true;
+                                break;
+                            }
+                        }
+                        if (unsavedMdem) {
                             auto answer = showPrompt(
                                 "Atmiņas bāzes maiņa",
                                 "Vai saglabāt atmiņas bāzi pirms to mainīt?",
@@ -1176,6 +1186,9 @@ QMainWindow *initMdemListWindow() {
                                     pickDirectory(directory);
                                 } break;
                             }
+                        } else {
+                            pickDirectory(directory);
+                        }
                     }
 				);
 			}