version bump

build/next-release.txt

-1.6.19
+1.6.20

configure.ac

@@ -3,10 +3,10 @@
 
 # Must change all of the below together
 # For a release, set revision for that tagged release as well and uncomment
-AC_INIT([freeswitch], [1.6.19], bugs@freeswitch.org)
+AC_INIT([freeswitch], [1.6.20], bugs@freeswitch.org)
 AC_SUBST(SWITCH_VERSION_MAJOR, [1])
 AC_SUBST(SWITCH_VERSION_MINOR, [6])
-AC_SUBST(SWITCH_VERSION_MICRO, [19])
+AC_SUBST(SWITCH_VERSION_MICRO, [20])
 AC_SUBST(SWITCH_VERSION_REVISION, [])
 AC_SUBST(SWITCH_VERSION_REVISION_HUMAN, [])