- Fix nano crashing when searching/replacing an invalid regex (try ^*).  Changed regexp_init() to return 1 or 0 based on regcomp()'s return value and search_init to exit with an error message (sorry Jordi)


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1406 35c25a1d-7b9e-4130-9fde-d3aeb78583b8