RFR(XXS): 8193056: build failure with Xcode 9.1

[coleen.phillimore at oracle.com]

This looks good.  I think you can push as a trivial fix.  I've tested 
with this same fix.
Thanks,
Coleen

On 2/20/18 1:00 PM, Gerard Ziemski wrote:
> Hi all,
>
> Please review this trivial change that allows building hotspot on Mac OS X with precompiled headers off.
>
> JDK-8192061 cleaned up (indirectly removed) includes of allocation.inline.hpp from few files, but in case of decoder_machO.cpp we need it explicitly back.
>
> More details in JDK-8193056
>
> http://cr.openjdk.java.net/~gziemski/8193056_rev1
> https://bugs.openjdk.java.net/browse/JDK-8193056
>
> Passes Mach5 tier1-3 testing.
>
>
> cheers
>