Fixed bug where calling IntervalList.uniqued(false) would fail if the…

[tfenne]

… interval names were null.

Description

IntervalList.uniqued(false) would throw an exception if called on Interval objects that had null names (which is allowed).

Checklist

• Code compiles correctly
• New tests covering changes and new functionality
• All tests passing
• Extended the README / documentation, if necessary
• Is not backward compatible (breaks binary or source compatibility)

[tfenne]

@yfarjoun Tiny PR, mind taking a look for me?

[codecov-io]

Codecov Report

Merging #815 into master will increase coverage by 0.002%.
The diff coverage is 100%.

@@               Coverage Diff               @@
##              master      #815       +/-   ##
===============================================
+ Coverage     64.867%   64.869%   +0.002%     
- Complexity      7175      7176        +1     
===============================================
  Files            526       526               
  Lines          31731     31730        -1     
  Branches        5424      5424               
===============================================
  Hits           20583     20583               
+ Misses          9000      8999        -1     
  Partials        2148      2148

Impacted Files	Coverage Δ	Complexity Δ
...c/main/java/htsjdk/samtools/util/IntervalList.java	64.789% <100%> (+0.227%)	57 <0> (+1)	✅
...sjdk/samtools/util/Md5CalculatingOutputStream.java	70.27% <0%> (-8.108%)	7% <0%> (-1%)
...samtools/util/AsyncBlockCompressedInputStream.java	76% <0%> (+4%)	13% <0%> (+1%)	✅

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[yfarjoun]

looks good!