Fix the Perl -w entry to allow period after line number.
Don't allow newlines in file name, but allow them after line number
for Perl debugging traces.
;; Perl -w:
;; syntax error at automake line 922, near "':'"
- (".* at \\([^ ]+\\) line \\([0-9]+\\)," 1 2)
+ ;; Perl debugging traces
+ ;; store::odrecall('File_A', 'x2') called at store.pm line 90
+ (".* at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 1 2)
;; Oracle pro*c:
;; Semantic error at line 528, column 5, file erosacqdb.pc: