RFR: 8200607: Add missing include dependency in bitMap.hpp

[Per Liden]

Thanks for reviewing, Aleksey and Stefan!

/Per

On 04/03/2018 10:48 AM, Stefan Karlsson wrote:
> Looks good.
> 
> StefanK
> 
> On 2018-04-03 10:46, Per Liden wrote:
>> bitMap.hpp uses the MEMFLAGS type, but doesn't include allocation.hpp, 
>> where that type is defined. This problem was exposed when writing a 
>> small gtest test-case, which only included bitMap.hpp.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8200607
>> Webrev: http://cr.openjdk.java.net/~pliden/8200607/webrev.0
>>
>> /Per