Fix #ifdefs so it compiles cleanly with all SQLITE_OMIT compile-time options.

Update compile-time option testing.

FossilOrigin-Name: 7584e4b649d57767aac3906da6b06549d5b772aaa69f469c623ae5da834d54d5

src/insert.c

@@ -1640,6 +1640,7 @@ void sqlite3GenerateConstraintChecks(
       }
       if( b2ndPass ) break;  /* Never need more than 2 passes */
       b2ndPass = 1;
+#ifndef SQLITE_OMIT_GENERATED_COLUMNS
       if( nSeenReplace>0 && (pTab->tabFlags & TF_HasGenerated)!=0 ){
         /* If any NOT NULL ON CONFLICT REPLACE constraints fired on the
         ** first pass, recomputed values for all generated columns, as
@@ -1647,6 +1648,7 @@ void sqlite3GenerateConstraintChecks(
         */
         sqlite3ComputeGeneratedColumns(pParse, regNewData+1, pTab);
       }
+#endif
     } /* end of 2-pass loop */
   } /* end if( has-not-null-constraints ) */