misc/news.bash: relax the pattern for extracting N in "Close #N"

Signed-off-by: Masatake YAMATO <[email protected]>

Author: masatake

misc/news.bash

@@ -67,8 +67,8 @@ case $1 in
 	    echo ".. generated by $0 ${args[@]}" "[$FROM..$TO]"
 	    echo
 	    git log ${FROM}..${TO} \
-		| grep 'Close #' \
-		| sed -ne 's/[[:space:]]Close #\([0-9]\+\).*/\1/p' | while read N; do
+		| grep '^[ \t]*[Cc]losed\?  *#' \
+		| sed -ne 's/[[:space:]][Cc]losed\?  *#\([0-9]\+\).*/\1/p' | while read N; do
 		issue_title $N
 	    done
 	fi