Replace getcpy() with mh_xstrdup() where the string isn't NULL.

[nmh] / tools / showbuildenv

diff --git a/tools/showbuildenv b/tools/showbuildenv
index 089eea75541eb84f98b613d1ff2adf9b3cc9dd00..4645049a6ae6db0538fb578969e8ba7fe67bafed 100755 (executable)
--- a/tools/showbuildenv
+++ b/tools/showbuildenv
@@ -34,7 +34,7 @@ for f in \
     ; do
     test -f $f || continue
     header $f
-    cat $f
+    offset $f
     break
 done