Bug #670727: Extend license of 3 files to be GPLv2 and GPLv3.

This has been granted by the gnumeric copyright holders.
See https://bugzilla.gnome.org/show_bug.cgi?id=670727#c7

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@22066 57a11ea4-9604-0410-9ed3-97b8803252fd

src/import-export/csv/gnc-csv-gnumeric-popup.c

@@ -1,5 +1,5 @@
 /* The following is code copied from Gnumeric 1.7.8 licensed under the
- * GNU General Public License version 2. It is from the file
+ * GNU General Public License version 2 and/or version 3. It is from the file
  * gnumeric/src/gui-util.c, and it has been modified slightly to work
  * within GnuCash. */
 

src/import-export/csv/gnc-csv-gnumeric-popup.h

@@ -1,5 +1,5 @@
 /* The following is code copied from Gnumeric 1.7.8 licensed under the
- * GNU General Public License version 2. It is from the file
+ * GNU General Public License version 2 and/or version 3. It is from the file
  * gnumeric/src/gui-util.h, and it has been modified slightly to work
  * within GnuCash. */
 

src/import-export/csv/gnc-csv-import.c

@@ -540,7 +540,7 @@ static GtkCellRenderer* gnc_csv_preview_get_cell_renderer(GncCsvPreview* preview
 }
 
 /* The following is code copied from Gnumeric 1.7.8 licensed under the
- * GNU General Public License version 2. It is from the file
+ * GNU General Public License version 2 and/or version 3. It is from the file
  * gnumeric/src/dialogs/dialog-stf-fixed-page.c, and it has been
  * modified slightly to work within GnuCash. */