fixed two models, adding xml identifier to correct position

data/lbpcascades/lbpcascade_profileface.xml

+<?xml version="1.0"?>
 <!--
-    This is 20x34 detector of profile faces using LBP features.
-    It was created by Attila Novak during GSoC 2012.
-    Note that the detector only detects faces rotated to the right,
-    so you may want to run it on the original and on
-    the flipped image to detect different profile faces.
+This is 20x34 detector of profile faces using LBP features.
+It was created by Attila Novak during GSoC 2012.
+Note that the detector only detects faces rotated to the right,
+so you may want to run it on the original and on
+the flipped image to detect different profile faces.
 -->
-<?xml version="1.0"?>
 <opencv_storage>
 <cascade>
   <stageType>BOOST</stageType>

data/lbpcascades/lbpcascade_silverware.xml

+<?xml version="1.0"?>
 <!--
     This is 12x80 detector of the silverware (forks, spoons, knives) using LBP features.
     It was created by Attila Novak during GSoC 2012.
@@ -6,7 +7,6 @@
     (probably should run detector several times).
     It also assumes the "top view" when the camera optical axis is orthogonal to the table plane.
 -->
-<?xml version="1.0"?>
 <opencv_storage>
 <cascade>
   <stageType>BOOST</stageType>