[io] use non-short-circuit operator

This should have identical semantics but is less confusing to read.

Author: grimreaper

src/test/java/org/apache/commons/io/input/compatibility/XmlStreamReader.java

@@ -510,7 +510,7 @@ String calculateHttpEncoding(final String cTMime, final String cTEnc,
             final String bomEnc, final String xmlGuessEnc, final String xmlEnc, final InputStream is,
             final boolean lenient) throws IOException {
         String encoding;
-        if (lenient & xmlEnc != null) {
+        if (lenient && (xmlEnc != null)) {
             encoding = xmlEnc;
         } else {
             final boolean appXml = isAppXml(cTMime);