gio/gvdb/: LGPLv2+ -> LGPLv2.1+

https://bugzilla.gnome.org/show_bug.cgi?id=776504
diff --git a/gvdb-builder.c b/gvdb-builder.c
index 0618768..ea1c76f 100644
--- a/gvdb-builder.c
+++ b/gvdb-builder.c
@@ -4,7 +4,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the licence, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/gvdb-builder.h b/gvdb-builder.h
index 797626e..edbaac2 100644
--- a/gvdb-builder.h
+++ b/gvdb-builder.h
@@ -4,7 +4,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the licence, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/gvdb-format.h b/gvdb-format.h
index 886aa56..d02a2eb 100644
--- a/gvdb-format.h
+++ b/gvdb-format.h
@@ -4,7 +4,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the licence, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/gvdb-reader.c b/gvdb-reader.c
index 8ccfc8f..eb7a11c 100644
--- a/gvdb-reader.c
+++ b/gvdb-reader.c
@@ -4,7 +4,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the licence, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/gvdb-reader.h b/gvdb-reader.h
index 5980925..7113eb3 100644
--- a/gvdb-reader.h
+++ b/gvdb-reader.h
@@ -4,7 +4,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the licence, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of