Fixed compilation issue g++ 4.9

Author: benjamin-james

src/Makefile

@@ -1,7 +1,7 @@
 # CXX = /usr/bin/c++
 CXX ?= g++
 
-CXXFLAGS =	-O3 -g -fmessage-length=0 -Wall -march=native
+CXXFLAGS =	-O3 -g -fmessage-length=0 -Wall -march=native -std=c++11
 
 #
 # Objects

src/cluster/src/Trainer.cpp

@@ -42,10 +42,10 @@ std::tuple<Point<T>*,double,size_t,size_t> Trainer<T>::get_close(Point<T> *p, bv
 	std::tuple<Point<T>*,
 		   double,
 		   size_t,
-		   size_t> result = {NULL,
+		   size_t> result = std::tuple<Point<T>*, double, size_t, size_t>(NULL,
 				     -1,
 				     0,
-				     0};
+				     0);
 	bool has_found = false;
 
 	#ifdef DEBUG