Make the package autoreconfigurable
Signed-off-by: Denis Bodor <lefinnois@lefinnois.net>
[Gustavo: update for 0.8.8]
diff -Nura libstrophe-0.8.8.orig/m4/.empty libstrophe-0.8.8/m4/.empty
--- libstrophe-0.8.8.orig/m4/.empty 1969-12-31 21:00:00.000000000 -0300
+++ libstrophe-0.8.8/m4/.empty 2015-09-23 19:29:37.893688227 -0300
diff -Nura libstrophe-0.8.8.orig/Makefile.am libstrophe-0.8.8/Makefile.am
--- libstrophe-0.8.8.orig/Makefile.am 2015-09-23 19:26:10.960492781 -0300
+++ libstrophe-0.8.8/Makefile.am 2015-09-23 19:29:17.265970964 -0300
-AUTOMAKE_OPTIONS = subdir-objects
+AUTOMAKE_OPTIONS = subdir-objects foreign