Increment libtool library revision number
diff --git a/libtool-version b/libtool-version
index e784fc4..d4f501c 100644
--- a/libtool-version
+++ b/libtool-version
@@ -26,4 +26,4 @@
# release, then set age to 0.
#
# CURRENT:REVISION:AGE
-6:1:0
+6:2:0