Add `gnulib-tool --import' support for LGPLv3+.

* gnulib-tool (func_import): Add support for LGPLv3+.
(cherry picked from commit b9d28ecff874f42e939b817f70244f2a46b054ae)

diff --git a/gnulib-tool b/gnulib-tool
index aafd345..9efd8d1 100755 (executable)
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -2809,7 +2809,7 @@ func_import ()
           case "$lgpl" in
             yes | 3)
               case $license in
-                LGPL | LGPLv2+) ;;
+                LGPL | LGPLv2+ | LGPLv3+) ;;
                 *) func_append license_incompatibilities "$module $license$nl" ;;
               esac
               ;;