Index: src/build.c
==================================================================
--- src/build.c
+++ src/build.c
@@ -442,11 +442,11 @@
   sqlite3DeleteIndexSamples(db, p);
 #endif
   sqlite3ExprDelete(db, p->pPartIdxWhere);
   sqlite3ExprListDelete(db, p->aColExpr);
   sqlite3DbFree(db, p->zColAff);
-  if( p->isResized ) sqlite3DbFree(db, p->azColl);
+  if( p->isResized ) sqlite3DbFree(db, (void *)p->azColl);
 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4
   sqlite3_free(p->aiRowEst);
 #endif
   sqlite3DbFree(db, p);
 }