#Fixed problem in glut.h causing conflict when linking the library against c++ programs

include/glut.h

@@ -9,6 +9,9 @@
 #ifndef __GL_GLUT_H
 #define __GL_GLUT_H
 
+#include <sys/cdefs.h>
+__BEGIN_DECLS
+
 #include <GL/gl.h>
 
 /* Flush the Submitted Primitive Data to the GPU for render to screen */
@@ -22,4 +25,6 @@ GLAPI void APIENTRY glutSwapBuffersToTexture(void *dst, GLsizei *x, GLsizei *y);
    next frame rendered */
 GLAPI void APIENTRY glutCopyBufferToTexture(void *dst, GLsizei *x, GLsizei *y);
 
+__END_DECLS
+
 #endif /* !__GL_GLUT_H */