[ci] Correct spacing

Author: hazendaz

src/main/java/org/apache/ibatis/builder/annotation/ProviderSqlSource.java

@@ -172,7 +172,7 @@ private SqlSource createSqlSource(Object parameterObject) {
 
   private Throwable extractRootCause(Exception e) {
     Throwable cause = e;
-    while(cause.getCause() != null) {
+    while (cause.getCause() != null) {
       cause = cause.getCause();
     }
     return cause;

src/main/java/org/apache/ibatis/cache/CacheKey.java

@@ -29,7 +29,7 @@ public class CacheKey implements Cloneable, Serializable {
 
   private static final long serialVersionUID = 1146682552656046210L;
 
-  public static final CacheKey NULL_CACHE_KEY = new CacheKey(){
+  public static final CacheKey NULL_CACHE_KEY = new CacheKey() {
     @Override
     public void update(Object object) {
       throw new CacheException("Not allowed to update a null cache key instance.");