fix bootstrap for old autoconf versions

atleast debian wheezy is affected

Signed-off-by: Norbert Lange <nolange79@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/bootstrap b/bootstrap
index 6c3d6ae..46d6205 100755
--- a/bootstrap
+++ b/bootstrap
@@ -801,7 +801,7 @@ msg "*** Gathering the list of data files to install"
             scripts/compile | scripts/missing | scripts/depcomp | scripts/ltmain.sh | scripts/install-sh)
                 continue
                 ;;
-            # 
+            #
             # will produce. FIXME: create this file at the time of 'ct-ng build'.
             config/configure.in.in | config/configure.in)
                 continue
@@ -818,6 +818,6 @@ msg "*** Gathering the list of data files to install"
 } > verbatim-data.mk
 
 msg "*** Running autoreconf"
-autoreconf -Wall --force
+autoreconf -Wall --force -I m4
 
 msg "*** Done!"