[LyX/master] Add missing include for abs(int)

[Stephan Witt]

commit 6c4f30b19358996679edb3b81f107e0a893f618b
Author: Stephan Witt <sw...@lyx.org>
Date:   Mon Jul 4 20:36:16 2016 +0200

    Add missing include for abs(int)
---
 src/RowPainter.cpp  |    2 ++
 src/TextMetrics.cpp |    1 +
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/RowPainter.cpp b/src/RowPainter.cpp
index d6caa26..1c48b5b 100644
--- a/src/RowPainter.cpp
+++ b/src/RowPainter.cpp
@@ -45,6 +45,8 @@
 #include "support/lassert.h"
 #include <boost/crc.hpp>
 
+#include <stdlib.h>
+
 using namespace std;
 
 namespace lyx {
diff --git a/src/TextMetrics.cpp b/src/TextMetrics.cpp
index b40cb55..c7ccbac 100644
--- a/src/TextMetrics.cpp
+++ b/src/TextMetrics.cpp
@@ -48,6 +48,7 @@
 #include "support/debug.h"
 #include "support/lassert.h"
 
+#include <stdlib.h>
 #include <cmath>
 
 using namespace std;