imp - Fixed out of bounds in some cases

We've fixed out of bounds when trying to split keys and values.

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We've fixed out of bounds when trying to split keys and values in certain situations. This can be easily reproduced by importing a contact with a picture to Nitrocid KS, which internally uses the SaveTo() and Parse() functions for verification.

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Type: imp
Breaking: False
Doc Required: False
Part: 1/1

VisualCard/Parsers/VcardParserTools.cs

@@ -91,6 +91,8 @@ internal static string[] GetValues(string[] args, string @default, string argSpe
 
         internal static string[] SplitToKeyAndValueFromString(string line)
         {
+            if (line.IndexOf(':') < 0)
+                return new[] { line, "" };
             string key = line.Substring(0, line.IndexOf(':'));
             string value = line.Substring(line.IndexOf(':'));
             return new[] { key, value };