commit missing file

common/build_version.cpp

+/* Date for kicad build version */
+#include "fctsys.h"
+
+#ifdef HAVE_SVN_VERSION
+#include "version.h"    // define the KICAD_BUILD_VERSION
+#endif
+
+#ifndef KICAD_BUILD_VERSION
+#define KICAD_BUILD_VERSION "(2010-01-05)"
+#endif
+
+#define VERSION_STABILITY "unstable"
+
+/** Function GetBuildVersion()
+ * Return the build date and version
+ */
+wxString GetBuildVersion()
+{
+    static wxString msg;
+    msg.Printf( wxT("%s-%s"),
+        wxT( KICAD_BUILD_VERSION ), wxT(VERSION_STABILITY));
+    return msg;
+}