GLUT Crashing

#include <gl/glut.h>
#include <gl/gl.h>

void RenderScene(void);

int main(int argc,char **argv)
{
	glutInit(&argc,argv);
	glutInitDisplayMode(GLUT_DEPTH | GLUT_SINGLE | GLUT_RGBA);
	glutInitWindowPosition(100,100);
	glutInitWindowSize(320,320);
	glutCreateWindow("Testing GLUT");
	glutDisplayFunc(RenderScene);
	glutMainLoop();
	
	return 0;
}

void RenderScene(void)
{
	glClear(GL_COLOR_BUFFER_BIT);
	glBegin(GL_TRIANGLES);
		glVertex3f(-0.5,-0.5,0.0);
		glVertex3f(0.5,0.0,0.0);
		glVertex3f(0.0,0.5,0.0);
	glEnd();
	glFlush();
}

# Project: GLUTest
# Makefile created by Dev-C++ 4.9.8.0

CPP  = g++.exe
CC   = gcc.exe
WINDRES = windres.exe
RES  = 
OBJ  = main.o $(RES)
LINKOBJ  = main.o $(RES)
LIBS =  -L"C:/DevCpp/lib" -lglut32 -lglu32 -lopengl32 ../../WINDOWS/system32/glut32.dll ../../WINDOWS/system32/glu32.dll ../../WINDOWS/system32/opengl32.dll 
INCS =  -I"C:/DevCpp/include"  -I"C:/DevCpp/include/SDL" 
CXXINCS =  -I"C:/DevCpp/include/c++"  -I"C:/DevCpp/include/c++/mingw32"  -I"C:/DevCpp/include/c++/backward"  -I"C:/DevCpp/include"  -I"C:/DevCpp/include/SDL" 
BIN  = glutest.exe
CXXFLAGS = $(CXXINCS)-D_WCHAR_T_DEFINED   -mwindows
CFLAGS = $(INCS)  -mwindows

.PHONY: all all-before all-after clean clean-custom

all: all-before glutest.exe all-after


clean: clean-custom
	rm -f $(OBJ) $(BIN)

$(BIN): $(LINKOBJ)
	$(CPP) $(LINKOBJ) -o "glutest.exe" $(LIBS)

main.o: main.cpp
	$(CPP) -c main.cpp -o main.o $(CXXFLAGS)

glutInitDisplayMode(GLUT_RGB);