[ci] Combine 'if' statement per pmd/sonar

Author: hazendaz

src/main/java/org/apache/ibatis/builder/xml/XMLMapperBuilder.java

@@ -426,14 +426,12 @@ private void bindMapperForNamespace() {
       } catch (ClassNotFoundException e) {
         //ignore, bound type is not required
       }
-      if (boundType != null) {
-        if (!configuration.hasMapper(boundType)) {
-          // Spring may not know the real resource name so we set a flag
-          // to prevent loading again this resource from the mapper interface
-          // look at MapperAnnotationBuilder#loadXmlResource
-          configuration.addLoadedResource("namespace:" + namespace);
-          configuration.addMapper(boundType);
-        }
+      if (boundType != null && !configuration.hasMapper(boundType)) {
+        // Spring may not know the real resource name so we set a flag
+        // to prevent loading again this resource from the mapper interface
+        // look at MapperAnnotationBuilder#loadXmlResource
+        configuration.addLoadedResource("namespace:" + namespace);
+        configuration.addMapper(boundType);
       }
     }
   }