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

third_party/sqlite/src/test/oserror.test

Index: third_party/sqlite/src/test/oserror.test
diff --git a/third_party/sqlite/src/test/oserror.test b/third_party/sqlite/src/test/oserror.test
index 2d3a24a8f54ee8d669330f003b670333ccb32404..40d2966bcca57409fdb25aeb58375261c9a4d6d3 100644
--- a/third_party/sqlite/src/test/oserror.test
+++ b/third_party/sqlite/src/test/oserror.test
@@ -51,6 +51,7 @@ proc do_re_test {tn script expression} {
 # a call to getcwd() may fail if there are no free file descriptors. So
 # an error may be reported for either open() or getcwd() here.
 #
+puts "Possible valgrind error about invalid file descriptor follows:"
 do_test 1.1.1 {
   set ::log [list]
   list [catch {
@@ -96,23 +97,25 @@ do_re_test 1.4.2 { lindex $::log 0 } {^os_unix.c:\d*: \(\d+\) open\(.*test.db\)
 #--------------------------------------------------------------------------
 # Tests oserror-1.* test failures in the unlink() system call.
 #
-do_test 2.1.1 {
-  set ::log [list]
-  file mkdir test.db-wal
-  forcedelete test.db
-  list [catch {
-    sqlite3 dbh test.db
-    execsql { SELECT * FROM sqlite_master } dbh
-  } msg] $msg
-} {1 {disk I/O error}}
-
-do_re_test 2.1.2 { 
-  lindex $::log 0 
-} {^os_unix.c:\d+: \(\d+\) unlink\(.*test.db-wal\) - }
-do_test 2.1.3 { 
-  catch { dbh close }
-  forcedelete test.db-wal
-} {}
+ifcapable wal {
+  do_test 2.1.1 {
+    set ::log [list]
+    file mkdir test.db-wal
+    forcedelete test.db
+    list [catch {
+      sqlite3 dbh test.db
+      execsql { SELECT * FROM sqlite_master } dbh
+    } msg] $msg
+  } {1 {disk I/O error}}
+  
+  do_re_test 2.1.2 { 
+    lindex $::log 0 
+  } {^os_unix.c:\d+: \(\d+\) unlink\(.*test.db-wal\) - }
+  do_test 2.1.3 { 
+    catch { dbh close }
+    forcedelete test.db-wal
+  } {}
+}
   
 
 test_syscall reset