[Positioning] Add missing #include <iostream>

owlps-positioning/src/input.cc

@@ -7,6 +7,7 @@
 #include "posexcept.hh"
 #include "stock.hh"
 
+#include <iostream>
 #include <string>
 
 using namespace std ;

owlps-positioning/src/outputtcpsocketevaal.cc

@@ -5,6 +5,7 @@
 #include "stock.hh"
 #include "posexcept.hh"
 
+#include <iostream>
 #include <sstream>
 #include <cstdio> // For perror()
 #include <boost/lexical_cast.hpp>

owlps-positioning/src/positioning.cc

@@ -11,6 +11,8 @@
 
 #include <owlps.h>
 
+#include <iostream>
+
 using namespace std ;
 
 

owlps-positioning/src/stock.cc

@@ -3,6 +3,8 @@
 #include "posexcept.hh"
 #include "area.hh"
 
+#include <iostream>
+
 using namespace std ;
 using std::tr1::unordered_map ;
 using std::tr1::unordered_set ;