--- db-5.3.28/lang/sql/sqlite/tool/lemon.c.lemon_hash	2013-09-09 17:35:07.000000000 +0200

+++ db-5.3.28/lang/sql/sqlite/tool/lemon.c	2017-02-22 13:12:08.564106051 +0100

@@ -3428,7 +3428,7 @@

   int maxdtlength;          /* Maximum length of any ".datatype" field. */

   char *stddt;              /* Standardized name for a datatype */

   int i,j;                  /* Loop counters */

-  int hash;                 /* For hashing the name of a type */

+  unsigned hash;            /* For hashing the name of a type */

   const char *name;         /* Name of the parser */

   /* Allocate and initialize types[] and allocate stddt[] */

@@ -3491,7 +3491,7 @@

         break;

       }

       hash++;

-      if( hash>=arraysize ) hash = 0;

+      if( hash>=(unsigned)arraysize ) hash = 0;

     }

     if( types[hash]==0 ){

       sp->dtnum = hash + 1;