Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch

third_party/sqlite/sqlite-src-3070603/test/tkt-5ee23731f.test

+# 2009 October 13
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests to verify that ticket [5ee23731f15] has been
+# fixed.  
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt-5ee237-1.1 {
+  db close
+  file delete -force test.db
+  sqlite3 db test.db
+  db eval {
+    CREATE TABLE t1(x UNIQUE);
+    INSERT INTO t1 VALUES(1);
+    INSERT INTO t1 VALUES(2);
+    INSERT INTO t1 SELECT x+2 FROM t1;
+    INSERT INTO t1 SELECT x+4 FROM t1;
+    INSERT INTO t1 SELECT x+8 FROM t1;
+  }
+  db close
+  sqlite3 db test.db -readonly 1
+  set rc [catch {
+    db eval {SELECT rowid, x FROM t1 ORDER BY x} {
+      db eval {UPDATE t1 SET x=x+1 WHERE rowid=:rowid}
+    }
+  } msg]
+  lappend rc $msg
+} {1 {attempt to write a readonly database}}
+
+finish_test