configure: remove autogenerated files by autoconf

* install-sh is always regenerated
* mkinstalldirs was already redudant years ago. Automake uses install for
  that. See: http://lists.gnu.org/archive/html/automake/2007-03/msg00015.html

1 files changed, 1 insertions, 0 deletions

diff --git a/buildconf b/buildconf
index f3f0bd54d..6794402f1 100755
--- a/buildconf
+++ b/buildconf
@@ -318,6 +318,7 @@ for fname in .deps \
     ltsugar.m4 \
     ltversion.m4 \
     lt~obsolete.m4 \
+    install-sh \
     stamp-h1 \
     stamp-h2 \
     stamp-h3 ; do