SLING-6872 small optimization: set initial stringbuilder capacity

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1795970 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/jcr/contentparser/impl/JsonTicksConverter.java b/src/main/java/org/apache/sling/jcr/contentparser/impl/JsonTicksConverter.java
index 6125599..9d5f6e0 100644
--- a/src/main/java/org/apache/sling/jcr/contentparser/impl/JsonTicksConverter.java
+++ b/src/main/java/org/apache/sling/jcr/contentparser/impl/JsonTicksConverter.java
@@ -32,11 +32,12 @@
 class JsonTicksConverter {
     
     static String tickToDoubleQuote(final String input) {
-        final StringBuilder output = new StringBuilder();
+        final int len = input.length();
+        final StringBuilder output = new StringBuilder(len);
         boolean quoted = false;
         boolean tickQuoted = false;
         boolean escaped = false;
-        for (int i = 0, len = input.length(); i < len; i++) {
+        for (int i = 0; i < len; i++) {
             char in = input.charAt(i);
             if (quoted || tickQuoted) {
                 if (escaped) {