fixing uppercase/lowercase problem in an included file (polyline.h is really PolyLine.h).

pcbnew/class_drawsegment.h

@@ -4,7 +4,7 @@
 
 #ifndef CLASS_DRAWSEGMENT_H
 #define CLASS_DRAWSEGMENT_H
-#include "polyline.h"
+#include "PolyLine.h"
 
 class DRAWSEGMENT : public BOARD_ITEM
 {

pcbnew/class_pad.h

@@ -5,7 +5,7 @@
 class Pcb3D_GLCanvas;
 
 #include "pad_shapes.h"
-#include "polyline.h"
+#include "PolyLine.h"
 
 /* Default layers used for pads, according to the pad type.
  * this is default values only, they can be changed for a given pad

pcbnew/class_pcb_text.h

@@ -5,7 +5,7 @@
 #define CLASS_PCB_TEXT_H
 
 #include "base_struct.h"
-#include "polyline.h"
+#include "PolyLine.h"
 
 class TEXTE_PCB : public BOARD_ITEM, public EDA_TextStruct
 {

pcbnew/class_track.h

@@ -6,7 +6,7 @@
 #define CLASS_TRACK_H
 
 #include "base_struct.h"
-#include "polyline.h"
+#include "PolyLine.h"
 
 
 // Via attributes (m_Shape parmeter)