Use only unsigned values in the implementatin of LIKE and GLOB so that
values won't overflow to negative when dealing with malformed UTF8.
FossilOrigin-Name: 77f01578bb565d1bc884b374b68bae10ce34a084
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 8cf8966..83ddb2d 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2879,7 +2879,7 @@
int sqlite3Atoi(const char*);
int sqlite3Utf16ByteLen(const void *pData, int nChar);
int sqlite3Utf8CharLen(const char *pData, int nByte);
-int sqlite3Utf8Read(const u8*, const u8**);
+u32 sqlite3Utf8Read(const u8*, const u8**);
/*
** Routines to read and write variable-length integers. These used to