Fix InnoDB building on MacOSX when autorun.sh is used

BUILD/autorun.sh:
  Add libtoolize/glibtoolize hook for InnoDB auto-stuff too

BUILD/autorun.sh

@@ -3,20 +3,23 @@
 
 die() { echo "$@"; exit 1; }
 
+# Added glibtoolize reference to make native OSX autotools work
+if [ -f /usr/bin/glibtoolize ]
+  then
+    LIBTOOLIZE=glibtoolize
+  else
+    LIBTOOLIZE=libtoolize
+fi
+
 (cd storage/bdb/dist && sh s_all)
 (cd storage/innobase && aclocal && autoheader && \
-    libtoolize --automake --force --copy && \
+    $LIBTOOLIZE --automake --force --copy && \
     automake --force --add-missing --copy && autoconf)
 
 aclocal || die "Can't execute aclocal" 
 autoheader || die "Can't execute autoheader"
 # --force means overwrite ltmain.sh script if it already exists 
-# Added glibtoolize reference to make native OSX autotools work
-if test -f /usr/bin/glibtoolize  ; then
-  glibtoolize --automake --force || die "Can't execute glibtoolize"
-else
-  libtoolize --automake --force || die "Can't execute libtoolize"
-fi
+$LIBTOOLIZE --automake --force || die "Can't execute libtoolize"
   
 # --add-missing instructs automake to install missing auxiliary files
 # and --force to overwrite them if they already exist