Library for sending Pronto Hex codes. Not working yet

For reasons not known to me, I get the following error:
libraries/Pronto/Pronto.cpp: In function 'void __vector_13()':
libraries/Pronto/Pronto.cpp:91: error: 'ir_toggle' was not declared in
this scope
libraries/Pronto/Pronto.cpp:105: error: 'ir_off' was not declared in
this scope