Use single character replace variant in Resources.toPackageName(String)

[Ivan Gerasimov]

FYI.  I changed the year to 2020 and pushed the fix.

Thank you Christoph and Alan!

On 1/6/20 11:49 PM, Alan Bateman wrote:
> On 07/01/2020 07:09, Ivan Gerasimov wrote:
>> So, I filed a Jira bug:
>>
>> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8236705
>> WEBREV: http://cr.openjdk.java.net/~igerasim/8236705/00/webrev/
>>
> I added these source files in JDK 9, it was just an oversight that I 
> didn't use the single char replace. My guess is that the change 
> ModulePath deriveModuleDescriptor won't be noticeable in any real 
> benchmark. This method is deriving a module descriptor for a legacy 
> JAR file on the module path so it's scanning the contents of the JAR 
> file and all attributes in its main manifest. The Resources 
> toPackageName method is used more widely so it may help in a few 
> cases. Anyway, this change looks fine except the copyright year 
> (you've changed it to 2019 rather than 2020).
>
> -Alan

-- 
With kind regards,
Ivan Gerasimov