Fixed truncation of the reason when receiving a KILL message.

The KILL handler thought the message started one word later than it did, and
would cut off the first word.  This change starts the reason in the correct
place, and shaves off a leading : if one is present.

Closes #977
Closes #774

src/common/proto-irc.c

@@ -1075,8 +1075,14 @@ process_named_msg (session *sess, char *type, char *word[], char *word_eol[],
 			return;
 
 		case WORDL('K','I','L','L'):
-			EMIT_SIGNAL_TIMESTAMP (XP_TE_KILL, sess, nick, word_eol[5], NULL, NULL,
-										  0, tags_data->timestamp);
+			{
+				char *reason = word_eol[4];
+				if (*reason == ':')
+					reason++;
+
+				EMIT_SIGNAL_TIMESTAMP (XP_TE_KILL, sess, nick, reason, NULL, NULL,
+											  0, tags_data->timestamp);
+			}
 			return;
 
 		case WORDL('M','O','D','E'):