Background-size parsing fix: If only one value is given the second is assumed to be ‘auto’.

khtml/css/cssparser.cpp

@@ -1826,7 +1826,7 @@ CSSValueImpl* CSSParser::parseBackgroundSize()
         parsedValue1 = new CSSPrimitiveValueImpl(value->fValue, (CSSPrimitiveValue::UnitTypes)value->unit);
     }
 
-    CSSPrimitiveValueImpl* parsedValue2 = parsedValue1;
+    CSSPrimitiveValueImpl* parsedValue2;
     if ((value = valueList->next())) {
         if (value->id == CSS_VAL_AUTO)
             parsedValue2 = new CSSPrimitiveValueImpl(0, CSSPrimitiveValue::CSS_UNKNOWN);
@@ -1837,6 +1837,8 @@ CSSValueImpl* CSSParser::parseBackgroundSize()
             }
             parsedValue2 = new CSSPrimitiveValueImpl(value->fValue, (CSSPrimitiveValue::UnitTypes)value->unit);
         }
+    } else {
+        parsedValue2 = new CSSPrimitiveValueImpl(0, CSSPrimitiveValue::CSS_UNKNOWN);
     }
 
     PairImpl* pair = new PairImpl(parsedValue1, parsedValue2);