V4 JIT: enable JIT on win64.

Change-Id: I640d507c33fd4c4df6d6284b473df5cea9e5c4b4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
V4: fix address printing for real.

The previous patch contained the wrong formatting string for 64bit
platforms. Good compilers will warn on this (and fail compiling with
-Werror). Fixed the issue in such a way that we now have static checking
for both 32bit/64bit platforms by the compiler.

Change-Id: Idf4a80d8795605c61ef812426c9984df1ceac4d4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>