fix a crash from using an empty string for "include"
the parser could crash when "include" specified an empty string in place of the filename. this has been fixed by returning ISC_R_FILENOTFOUND when the string length is 0.
Closes #3778 (closed)
the parser could crash when "include" specified an empty string in place of the filename. this has been fixed by returning ISC_R_FILENOTFOUND when the string length is 0.
Closes #3778 (closed)