[libxml2] Autogen.sh needs to create m4 directory * autogen.sh: create m4 directory if not already existing

[Rob Richards <rrichard src gnome org>]

commit bdf24b9f9bcd08554f5ef3bfa372fe4b5e2d75c4
Author: Rob Richards <rrichards cdatazone org>
Date:   Mon Apr 26 16:09:34 2010 -0400

    Autogen.sh needs to create m4 directory
    * autogen.sh: create m4 directory if not already existing

 autogen.sh |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index da732be..665d336 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -46,6 +46,10 @@ if test -z "$*"; then
         echo "to pass any to it, please specify them on the $0 command line."
 fi
 
+if [ ! -d $srcdir/m4 ]; then
+        mkdir $srcdir/m4
+fi
+
 # Replaced by autoreconf below
 #libtoolize --copy --force
 #aclocal $ACLOCAL_FLAGS