GH-524 use s[1] if s[0] is empty

Author: thurka

visualvm/jfr/src/org/graalvm/visualvm/jfr/views/environment/EnvironmentViewSupport.java

@@ -138,6 +138,8 @@ private static String formatOSInfo(String os) {
             if (s[0].startsWith("Bsduname:")) s[0] = s[0].substring("Bsduname:".length()).trim(); // NOI18N
             if (s[0].startsWith("DISTRIB_ID=")) s[0] = s[0].substring("DISTRIB_ID=".length()).trim(); // NOI18N
 
+            if (s[0].isEmpty() && s.length >= 2) s[0] = s[1];
+
             int i = s[0].indexOf(';'); // NOI18N
             if (i > 0) s[0] = s[0].substring(0, i).trim();