Merge pull request #4230 from NewoIsTaken/patch-1

GH-4224 Scan 64 bit lib directory to find Java

launcher/java/JavaUtils.cpp

@@ -394,6 +394,7 @@ QList<QString> JavaUtils::FindJavaPaths()
     scanJavaDir("/usr/java");
     // general locations used by distro packaging
     scanJavaDir("/usr/lib/jvm");
+    scanJavaDir("/usr/lib64/jvm");
     scanJavaDir("/usr/lib32/jvm");
     // javas stored in MultiMC's folder
     scanJavaDir("java");