fix sanitizeStringForAlphaCompare crashes on empty string
I added a check for empty strings in sanitizeStringForAlphaCompare, in which case it will just return the string itself.
Motivation and Context
My VLC on Android sometimes crashes due to a bad samba share in my network, that ultimately leads to a NoSuchElementException in sanitizeStringForAlphaCompare, probably due to being called on an empty string when discovering the share. This is my attempt at fixing this crash.
How Has This Been Tested?
Since I have no control over the share in question, I can't really test if this is the only place where it breaks. It does still compile and run on my phone tough, so it should be fine.
Types of changes
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Bug fix (non-breaking change which fixes an issue) -
New feature (non-breaking change which adds functionality) -
Enhancement (non-breaking change which cleans up / improves existing functionality) -
Breaking change (fix or feature that would cause existing functionality to change)
Checklist
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I have read the CONTRIBUTING section of the README document.
Resolves
I did not create a separate issue since this seems to me like a very small fix, that would not need discussion (but I do appreciate any feedback, since this is my first contribution here).