diff -up kdelibs-3.5.10/kate/part/katebuffer.cpp.than kdelibs-3.5.10/kate/part/katebuffer.cpp

--- kdelibs-3.5.10/kate/part/katebuffer.cpp.than	2016-02-16 22:06:01.830197908 +0100

+++ kdelibs-3.5.10/kate/part/katebuffer.cpp	2016-02-16 23:33:15.810136589 +0100

@@ -42,6 +42,8 @@

 #include <qcstring.h>

 #include <qdatetime.h>

+#include <cmath>

+

 /**

  * loader block size, load 256 kb at once per default

  * if file size is smaller, fall back to file size

@@ -917,7 +919,7 @@ void KateBuffer::updatePreviousNotEmptyL

   } while (textLine->firstChar()==-1);

   kdDebug(13020)<<"updatePreviousNotEmptyLine: updating line:"<<(blk->startLine()+current_line)<

   QMemArray<uint> foldingList=textLine->foldingListArray();

-  while ( (foldingList.size()>0)  && ( abs(foldingList[foldingList.size()-2])==1)) {

+  while ( (foldingList.size()>0)  && ( std::abs(foldingList[foldingList.size()-2])==1)) {

     foldingList.resize(foldingList.size()-2,QGArray::SpeedOptim);

   }

   addIndentBasedFoldingInformation(foldingList,addindent,deindent);