Demo: fix compile

Code/Seg/IPOLdemo/mainIPOL.cpp

@@ -45,7 +45,7 @@ int main (int argc, char *argv[])
   ofstream fout;  
   fout.open (output_filename.c_str(), std::fstream::out);
   ofstream foutAllPts;
-  foutAllPts.open("segmentsPoints.dat",std::fstream::out)
+  foutAllPts.open("segmentsPoints.dat",std::fstream::out);
   
   // Gradient map extraction (uses qt)
   QImage image;