Loop optimization

Author: dwalluck

src/main/java/com/github/packageurl/PackageURL.java

@@ -565,17 +565,18 @@ public static String uriDecode(final String source) {
             return source;
         }
 
-        int firstPercent = source.indexOf('%');
+        int percent = source.indexOf('%');
 
-        if (firstPercent == -1) {
+        if (percent == -1) {
             return source;
         }
 
         byte[] bytes = source.getBytes(StandardCharsets.UTF_8);
         int length = bytes.length;
         ByteArrayOutputStream buffer = new ByteArrayOutputStream(length);
+        buffer.write(bytes, 0, percent);
 
-        for (int i = 0; i < length; i++) {
+        for (int i = percent; i < length; i++) {
             int b = bytes[i];
 
             if (b == '%') {