Client: checking equals gzip, not just contains

Author: PLNech

algoliasearch/src/main/java/com/algolia/search/saas/Client.java

@@ -678,7 +678,7 @@ private byte[] _requestRaw(Method m, String url, String json, List<String> hosts
 
                 final byte[] rawResponse;
                 String encoding = hostConnection.getContentEncoding();
-                if (encoding != null && encoding.contains("gzip")) {
+                if (encoding != null && encoding.equals("gzip")) {
                     rawResponse = _toByteArray(new GZIPInputStream(stream));
                 } else {
                     rawResponse = _toByteArray(stream);