Changes some macros to simply exit(1) instead of JMPing to an 'error' label.  Added declaration of program name.  Added function prototype for setting program name from main() in needleman-wunsch.c
Changes some macros to simply exit(1) instead of JMPing to an 'error' label.  Added declaration of program name.  Added function prototype for setting program name from main() in needleman-wunsch.c

skotchandsoda/needleman-wunsch