Warning cleanup from the MSVC compile.

FossilOrigin-Name: 26cd015c0ee1c18dd37f11b47ce35cfa320b3514
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index a8a1da6..c77721b 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2805,7 +2805,7 @@
 sqlite3_value *sqlite3ValueNew(sqlite3 *);
 char *sqlite3Utf16to8(sqlite3 *, const void*, int);
 #ifdef SQLITE_ENABLE_STAT2
-char *sqlite3Utf8to16(sqlite3 *, int, char *, int, int *);
+char *sqlite3Utf8to16(sqlite3 *, u8, char *, int, int *);
 #endif
 int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **);
 void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8);
@@ -2831,7 +2831,7 @@
 void sqlite3ColumnDefault(Vdbe *, Table *, int, int);
 void sqlite3AlterFinishAddColumn(Parse *, Token *);
 void sqlite3AlterBeginAddColumn(Parse *, SrcList *);
-CollSeq *sqlite3GetCollSeq(sqlite3*, int, CollSeq *, const char*);
+CollSeq *sqlite3GetCollSeq(sqlite3*, u8, CollSeq *, const char*);
 char sqlite3AffinityType(const char*);
 void sqlite3Analyze(Parse*, Token*, Token*);
 int sqlite3InvokeBusyHandler(BusyHandler*);