Add the SQLITE_DBCONFIG_ENABLE_VIEW option, together with a "db config"
command in the TCL interface that can access that option as well as all the
other sqlite3_db_config() boolean options.

FossilOrigin-Name: 61b4bccd2984f4c2cf50f58ef08677588e57aa7e079af07473b2e188d9ce4f52
diff --git a/src/main.c b/src/main.c
index 06a55ec..ecc7e5c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -836,6 +836,7 @@
       } aFlagOp[] = {
         { SQLITE_DBCONFIG_ENABLE_FKEY,           SQLITE_ForeignKeys    },
         { SQLITE_DBCONFIG_ENABLE_TRIGGER,        SQLITE_EnableTrigger  },
+        { SQLITE_DBCONFIG_ENABLE_VIEW,           SQLITE_EnableView     },
         { SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER, SQLITE_Fts3Tokenizer  },
         { SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION, SQLITE_LoadExtension  },
         { SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE,      SQLITE_NoCkptOnClose  },
@@ -3075,6 +3076,7 @@
   db->nMaxSorterMmap = 0x7FFFFFFF;
   db->flags |= SQLITE_ShortColNames
                  | SQLITE_EnableTrigger
+                 | SQLITE_EnableView
                  | SQLITE_CacheSpill
 
 /* The SQLITE_DQS compile-time option determines the default settings