Bump version number to 1.4.0
diff --git a/configure.ac b/configure.ac
index 5781cc8..35b001c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([cgminer], [1.3.1])
+AC_INIT([cgminer], [1.4.0])
AC_PREREQ(2.59)
AC_CANONICAL_SYSTEM