Fix memleak

modules/video_filter/blendbench.c

@@ -177,6 +177,7 @@ static int Create( vlc_object_t *p_this )
     psz_temp = var_CreateGetStringCommand( p_filter, CFG_PREFIX "base-chroma" );
     p_sys->i_base_chroma = VLC_FOURCC( psz_temp[0], psz_temp[1],
                                        psz_temp[2], psz_temp[3] );
+    free( psz_temp );
     blendbench_LoadImage( p_this, &p_sys->p_base_image, p_sys->i_base_chroma,
                var_CreateGetStringCommand( p_filter, CFG_PREFIX "base-image" ),
                "Base" );
@@ -185,6 +186,7 @@ static int Create( vlc_object_t *p_this )
                                            CFG_PREFIX "blend-chroma" );
     p_sys->i_blend_chroma = VLC_FOURCC( psz_temp[0], psz_temp[1],
                                         psz_temp[2], psz_temp[3] );
+    free( psz_temp );
     blendbench_LoadImage( p_this, &p_sys->p_blend_image, p_sys->i_blend_chroma,
                var_CreateGetStringCommand( p_filter, CFG_PREFIX "blend-image" ),
                "Blend" );