math/ogdf: unbreak build with Clang 6 (C++14 by default)

The bundled version of CoinMP required the same patches as those applied
to the port math/coinmp, so the patches were copied from there.

Submitted by:	jbeich (via commit r458136)
Reported by:	antoine (via bug 224669)

math/ogdf/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	ogdf
 PORTVERSION=	2015.05
+PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.ogdf.net/lib/exe/fetch.php/tech:
 DISTNAME=	${PORTNAME}.v${PORTVERSION}

math/ogdf/files/patch-include_coin_CglLandPUtils.hpp

@@ -0,0 +1,17 @@
+In file included from CglLandPSimplex.cpp:11:
+In file included from ./CglLandPSimplex.hpp:31:
+./CglLandPUtils.hpp:88:25: error: reinterpret_cast from 'nullptr_t' to 'OsiRowCut *' is not allowed
+        cuts_.resize(i, reinterpret_cast<OsiRowCut *> (NULL));
+                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+--- include/coin/CglLandPUtils.hpp.orig	2015-05-29 15:36:11 UTC
++++ include/coin/CglLandPUtils.hpp
+@@ -85,7 +85,7 @@ struct Cuts
+     /** resize vector.*/
+     void resize(unsigned int i)
+     {
+-        cuts_.resize(i, reinterpret_cast<OsiRowCut *> (NULL));
++        cuts_.resize(i, static_cast<OsiRowCut *> (NULL));
+     }
+ private:
+     /** Stores the number of cuts.*/

math/ogdf/files/patch-src_coin_Clp_ClpModel.cpp

@@ -0,0 +1,15 @@
+ClpModel.cpp:3848:24: error: reinterpret_cast from 'nullptr_t' to 'const char *' is not allowed
+                       reinterpret_cast<const char*> (NULL) /*integrality*/,
+                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+--- src/coin/Clp/ClpModel.cpp.orig	2015-05-29 15:36:41 UTC
++++ src/coin/Clp/ClpModel.cpp
+@@ -3619,7 +3619,7 @@ ClpModel::writeMps(const char *filename,
+      writer.setMpsData(*(matrix_->getPackedMatrix()), COIN_DBL_MAX,
+                        getColLower(), getColUpper(),
+                        objective,
+-                       reinterpret_cast<const char*> (NULL) /*integrality*/,
++                       static_cast<const char*> (NULL) /*integrality*/,
+                        getRowLower(), getRowUpper(),
+                        columnNames, rowNames);
+      // Pass in array saying if each variable integer

math/ogdf/files/patch-src_coin_OsiClp_OsiClpSolverInterface.cpp

@@ -0,0 +1,15 @@
+OsiClpSolverInterface.cpp:1451:50: error: reinterpret_cast from 'nullptr_t' to 'int *' is not allowed
+    messagesPointer->setDetailMessages(100,10000,reinterpret_cast<int *> (NULL));
+                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+--- src/coin/OsiClp/OsiClpSolverInterface.cpp.orig	2015-05-29 15:36:45 UTC
++++ src/coin/OsiClp/OsiClpSolverInterface.cpp
+@@ -1422,7 +1422,7 @@ OsiClpSolverInterface::setupForRepeatedUse(int senseOf
+   if (stopPrinting) {
+     CoinMessages * messagesPointer = modelPtr_->messagesPointer();
+     // won't even build messages
+-    messagesPointer->setDetailMessages(100,10000,reinterpret_cast<int *> (NULL));
++    messagesPointer->setDetailMessages(100,10000,static_cast<int *> (NULL));
+   }
+ #endif
+ }