Clean [1.2.3.4]:port format in known_hosts, thanks to Xuefer (Gentoo: #284563)

CHANGES

@@ -36,6 +36,8 @@ bash-completion (1.x)
   * Improve qemu completion (Debian: #534901)
   * Added sshfs completion (shares the same as scp) (Debian: #545978)
   * Fixed obvious brokenness (typos) in contrib/mdadm
+  * Clean [1.2.3.4]:port format in known_hosts, thanks to
+    Xuefer (Gentoo: #284563)
   * Patches from PLD Linux (thanks to Elan Ruusamäe):
     - avoid sed pipe as ps itself can omit the headers
     - improve service(8) completion, also look for "msg_usage"

bash_completion

@@ -1172,6 +1172,8 @@ _known_hosts_real()
 			COMPREPLY=( $( awk 'BEGIN {FS=","}
 				/^\s*[^|\#]/ {for (i=1; i<=2; ++i) { \
 				       gsub(" .*$", "", $i); \
+				       gsub("[\\[\\]]", "", $i); \
+				       gsub(":[0-9]+$", "", $i); \
 				       if ($i ~ /'"$awkcur"'/) {print $i} \
 				}}' "${kh[@]}" 2>/dev/null ) )
 		fi