Fix linker libs for MinGW-w64
Fix linker libs for MinGW-w64

Change-Id: I0d3662c4ef6aecc2fa92f3fc3e0c0fb7722c75df
Reviewed-by: Cristiano di Flora <a00db298c87aeb70953c4533556d29a4749306bc@nokia.com>

qtproject/qtsystems,qtproject/qtsystems