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

[Gerard Ziemski]

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