Unified the setup of version numbers so that they all are based on the version

number setup in the include/osg/Version header file.

src/osgText/Version.cpp

@@ -1,8 +1,24 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
 #include <osgText/Version>
+#include <osg/Version>
+
+extern "C" {
 
 const char* osgTextGetVersion()
 {
-    return "1.9";
+    return osgGetVersion();
 }
 
 
@@ -10,3 +26,5 @@ const char* osgTextGetLibraryName()
 {
     return "OpenSceneGraph Text Library";
 }
+
+}