Bug 799279 - Import Matcher (CSV) does not compute correctly the share amount based on security price - part 1

When modifying the exchange rate in the transaction matcher page
refresh the modified transactions.

gnucash/import-export/import-main-matcher.cpp

@@ -1139,6 +1139,7 @@ gnc_gen_trans_set_price_to_selection_cb (GtkMenuItem *menuitem,
             break; /* If the user cancels, return to the payment dialog without changes */
 
         gnc_import_TransInfo_set_price (row.get_trans_info (), exch);
+        refresh_model_row (info, model, row.get_iter(), row.get_trans_info());
     }
     g_list_free_full (selected_rows, (GDestroyNotify)gtk_tree_path_free);
     LEAVE("");