[babl] Update autogen.sh, typo: intall -> install

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 9e23dce097a0b9fb2e019eef9e1655b0a0091dc3
Author: apw <_andi__ arcor de>
Date:   Sat Jul 28 06:03:39 2018 +0000

    Update autogen.sh, typo: intall -> install

 autogen.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/autogen.sh b/autogen.sh
index aa5b7a9..55fae8c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -17,7 +17,7 @@ cd $srcdir
 
 AUTORECONF=`which autoreconf`
 if test -z $AUTORECONF; then
-        echo "*** No autoreconf found, please intall it ***"
+        echo "*** No autoreconf found, please install it ***"
         exit 1
 fi