Fix a compiler warning.
FossilOrigin-Name: 6df99e52dabf2a243ad635529649b86c21735e91
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 753c0fc..bba0b3c 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1235,7 +1235,7 @@
sqlite3_vtab *pVtab; /* Pointer to vtab instance */
int nRef; /* Number of pointers to this structure */
u8 bConstraint; /* True if constraints are supported */
- u32 iSavepoint; /* Depth of the SAVEPOINT stack */
+ int iSavepoint; /* Depth of the SAVEPOINT stack */
VTable *pNext; /* Next in linked list (see above) */
};