formatting in ClientVersion

Author: Tobias Knell

src/main/java/com/rabbitmq/client/impl/ClientVersion.java

@@ -36,7 +36,7 @@ public class ClientVersion {
         } catch (IOException e) {
         } finally {
             try {
-                if(inputStream!=null) {
+                if(inputStream != null) {
                     inputStream.close();
                 }
             } catch (IOException e) {