Added version hex number to the output of "exiv2 -V"

src/exiv2.cpp

@@ -207,7 +207,7 @@ void Params::version(std::ostream& os) const
 {
     bool  b64    = sizeof(void*)==8;
     const char* sBuild = b64 ? "(64 bit build)" : "(32 bit build)" ;
-    os << EXV_PACKAGE_STRING << sBuild << "\n"
+    os << EXV_PACKAGE_STRING << " " << Exiv2::versionNumberHexString() << " " << sBuild << "\n"
        << _("Copyright (C) 2004-2011 Andreas Huggel.\n")
        << "\n"
        << _("This program is free software; you can redistribute it and/or\n"

test/data/exiv2-test.out

@@ -2,7 +2,7 @@ Exiv2 test directory -----------------------------------------------------
 tmp/
 
 Exiv2 version ------------------------------------------------------------
-exiv2 0.21.1 (__ bit build)
+exiv2 0.21.1 001501 (__ bit build)
 Copyright (C) 2004-2011 Andreas Huggel.
 
 This program is free software; you can redistribute it and/or