Note a bug in cdr_sqlite3_custom so I don't forget about it.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@202301 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cdr/cdr_sqlite3_custom.c

@@ -61,6 +61,8 @@ static const char name[] = "cdr_sqlite3_custom";
 static sqlite3 *db = NULL;
 
 static char table[80];
+
+/*! XXX \bug Handling of this variable has crash potential on reload */
 static char *columns;
 
 struct values {