Fix whitespaces in tinyxml2.cpp
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index a6f1a9f..377ad23 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -886,18 +886,18 @@
             }

             break;

         }

-        

+

         XMLElement* ele = node->ToDeclaration();

         if ( decl ) {

-        	// A declaration can only be the first child of a document.

-        	// Set error, if document already has children.

-        	if ( ! _document->NoChildren() ) {

-        		_document->SetError(XML_ERROR_PARSING_DECLARATION, decl->Value(), 0);

-        		DeleteNode( decl );

-        		break;

-        	}

+                // A declaration can only be the first child of a document.

+                // Set error, if document already has children.

+                if ( !_document->NoChildren() ) {

+                        _document->SetError( XML_ERROR_PARSING_DECLARATION, decl->Value(), 0);

+                        DeleteNode( decl );

+                        break;

+                }

         }

-        

+

         XMLElement* ele = node->ToElement();

         if ( ele ) {

             // We read the end tag. Return it to the parent.