RFR: 8025612: rt.jar still has old specification value in the manifest

[Tim Bell]

Erik:

> Please review this small change, updating the specification version in the manifest of the jar files. Posted diff inline since it's so small. I couldn't find anywhere else where this would need changing, but if anyone knows of somewhere, please speak up.
>
> /Erik
>
> diff -r 98d98ec01f07 make/tools/manifest.mf
> --- a/make/tools/manifest.mf
> +++ b/make/tools/manifest.mf
> @@ -1,6 +1,6 @@
>   Manifest-Version: 1.0
>   Specification-Title: Java Platform API Specification
> -Specification-Version: 1.7
> +Specification-Version: 1.8
>   Specification-Vendor: Oracle Corporation
>   Implementation-Title: Java Runtime Environment
>   Implementation-Version: @@RELEASE@@
>
>
> https://bugs.openjdk.java.net/browse/JDK-8025612

Looks good.

/Tim