Bump libtool revision
diff --git a/configure.ac b/configure.ac
index a8c1f87..433c0ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,7 +42,7 @@
 dnl bump current and age, reset revision to zero when adding APIs
 dnl bump current, leave age, reset revision to zero when changing/removing APIS
 LIBT_CURRENT=7
-LIBT_REVISION=0
+LIBT_REVISION=1
 AC_SUBST(LIBT_CURRENT)
 AC_SUBST(LIBT_REVISION)
 LIBT_AGE=6