Replace call to protoc in OLA_PROTOC with $(PROTOC)
Replace call to protoc in OLA_PROTOC with $(PROTOC)

ld3300/ola,nightrune/ola,nightrune/ola,ld3300/ola,nightrune/ola,ld3300/ola,nightrune/ola,nightrune/ola,ld3300/ola,nightrune/ola,nightrune/ola,ld3300/ola,ld3300/ola,ld3300/ola