Add upstream patch to fix the build with libc++.

svn path=/head/; revision=333012

editors/calligra/files/patch-git_3f2bf6c

@@ -0,0 +1,25 @@
+commit 3f2bf6cf65a280b449e3ad854d3a6c4ce92208bc
+Author: Yue Liu <yue.liu@mail.com>
+Date:   Sat Oct 12 12:10:40 2013 -0400
+
+    fix osx compile issue
+
+--- filters/words/msword-odf/wv2/src/word97_helper.cpp
++++ filters/words/msword-odf/wv2/src/word97_helper.cpp
+@@ -31,6 +31,7 @@
+ #include <string.h> // memcpy
+ #include <algorithm>
+ #include <functional> // std::bind2nd for gcc 2.9x
++#include <cstdlib>
+ 
+ #include "wvlog.h"
+ 
+@@ -730,7 +731,7 @@ namespace
+         {
+             m_center = readS16( ptr + index * sizeof( S16 ) );
+             // A negative value doesn't make sense here, right? Hmmm
+-            m_plusMinus = std::abs( readS16( ptr + itbdDelMax * sizeof( S16 ) + index * sizeof( S16 ) ) );
++            m_plusMinus = std::abs( (int)( readS16( ptr + itbdDelMax * sizeof( S16 ) + index * sizeof( S16 ) ) ) );
+         }
+ 
+         bool contains( S16 position ) const { return m_center - m_plusMinus <= position && m_center + m_plusMinus >= position; }