closed memory leak

features/fpfeatures/ConvolutionFeature.cpp

@@ -80,7 +80,8 @@ ConvolutionFeature::ConvolutionFeature ( const ConvolutionFeature *confFeat )
 /** simple destructor */
 ConvolutionFeature::~ConvolutionFeature ( )
 {
-
+    if ( params != NULL)
+        delete params;
 }