Undefined reference error fix.
Undefined reference error fix.

jwaliszko/ExpressiveAnnotations,danieloprado/ExpressiveAnnotations,konstrui/ExpressiveAnnotations,konstrui/ExpressiveAnnotations,sivasateesh/ExpressiveAnnotations,jwaliszko/ExpressiveAnnotations,sivasateesh/ExpressiveAnnotations,danieloprado/ExpressiveAnnotations,jwaliszko/ExpressiveAnnotations,jwaliszko/ExpressiveAnnotations,sivasateesh/ExpressiveAnnotations,konstrui/ExpressiveAnnotations,JaroslawWaliszko/ExpressiveAnnotations,JaroslawWaliszko/ExpressiveAnnotations,JaroslawWaliszko/ExpressiveAnnotations,JaroslawWaliszko/ExpressiveAnnotations,danieloprado/ExpressiveAnnotations