pdn: add missing headers

Signed-off-by: Peter Gadfort <peter.gadfort@gmail.com>

Author: gadfort

src/pdn/src/grid_component.cpp

@@ -17,6 +17,7 @@
 #include "odb/db.h"
 #include "odb/dbTypes.h"
 #include "odb/geom.h"
+#include "shape.h"
 #include "techlayer.h"
 #include "utl/Logger.h"
 #include "via.h"

src/pdn/src/grid_component.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>

src/pdn/src/rings.cpp

@@ -5,6 +5,7 @@
 
 #include <algorithm>
 #include <array>
+#include <memory>
 #include <utility>
 #include <vector>
 

src/pdn/src/straps.cpp

@@ -24,6 +24,7 @@
 #include "odb/dbTransform.h"
 #include "odb/dbTypes.h"
 #include "renderer.h"
+#include "shape.h"
 #include "techlayer.h"
 #include "utl/Logger.h"