Enhance "PRAGMA table_info" to that it provides information about eponymous
virtual tables.

FossilOrigin-Name: 53a1e5d51304cb3de700c1807a2c945a40240576
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 024003a..798523b 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3671,8 +3671,10 @@
 void sqlite3ExprIfFalse(Parse*, Expr*, int, int);
 void sqlite3ExprIfFalseDup(Parse*, Expr*, int, int);
 Table *sqlite3FindTable(sqlite3*,const char*, const char*);
-Table *sqlite3LocateTable(Parse*,int isView,const char*, const char*);
-Table *sqlite3LocateTableItem(Parse*,int isView,struct SrcList_item *);
+#define LOCATE_VIEW    0x01
+#define LOCATE_NOERR   0x02
+Table *sqlite3LocateTable(Parse*,u32 flags,const char*, const char*);
+Table *sqlite3LocateTableItem(Parse*,u32 flags,struct SrcList_item *);
 Index *sqlite3FindIndex(sqlite3*,const char*, const char*);
 void sqlite3UnlinkAndDeleteTable(sqlite3*,int,const char*);
 void sqlite3UnlinkAndDeleteIndex(sqlite3*,int,const char*);