Fixed Makefile.mingw example

example/Makefile.mingw

 CXX	?= g++
-CXXFLAGS	=  -D_WIN32_WINNT=0x600 -march=native -Wall -Wextra -Wshadow -pedantic -std=gnu++0x -pthread -Wl,--no-as-needed  -I../include 
+CXXFLAGS	=  -D_WIN32_WINNT=0x600 -march=native -Wall -Wextra -pedantic -std=gnu++0x -pthread -Wl,--no-as-needed  -I../include 
 CXX_RELEASE_FLAGS = -O3 
 CXX_DEBUG_FLAGS= -g 
 
 
-all:	example bench
-debug: example-debug bench-debug
+all:	example 
+debug: example-debug 
 
 example: example.cpp
 	$(CXX) example.cpp -o example $(CXXFLAGS) $(CXX_RELEASE_FLAGS)
 
-bench: bench.cpp
-	$(CXX) bench.cpp -o bench $(CXXFLAGS) $(CXX_RELEASE_FLAGS)
 	
-
 example-debug: example.cpp
 	$(CXX) example.cpp -o example-debug $(CXXFLAGS) $(CXX_DEBUG_FLAGS)
-	
-bench-debug: bench.cpp
-	$(CXX) bench.cpp -o bench-debug $(CXXFLAGS) $(CXX_DEBUG_FLAGS)	
-
 
 
 clean:
-	rm -f *.o logs/*.txt example example-debug bench bench-debug 
+	rm -f *.o logs/*.txt example example-debug
 
 
 rebuild: clean all