NetBSD versions 1.6 and (we hope) later can use the standard geometry

comparison file, instead of geometry-positive-zeros.  Per report from
Patrick Welche.

src/test/regress/resultmap

@@ -18,7 +18,8 @@ geometry/i.86-.*-freebsd4.[0-5]=geometry-positive-zeros
 geometry/alpha.*-freebsd4.[0-5]=geometry-positive-zeros
 geometry/i.86-.*-openbsd=geometry-positive-zeros
 geometry/sparc-.*-openbsd=geometry-positive-zeros
-geometry/.*-netbsd=geometry-positive-zeros
+geometry/.*-netbsd1.[0-5]=geometry-positive-zeros
+geometry/.*-netbsdelf1.[0-5]=geometry-positive-zeros
 geometry/hppa.*-hpux9=geometry-positive-zeros
 geometry/hppa.*-hpux10=geometry-positive-zeros
 geometry/.*-irix6=geometry-positive-zeros