Bump version.

Author: denravonska

configure.ac

@@ -2,7 +2,7 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 3)
 define(_CLIENT_VERSION_MINOR, 7)
-define(_CLIENT_VERSION_REVISION, 15)
+define(_CLIENT_VERSION_REVISION, 16)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, false)
 define(_COPYRIGHT_YEAR, 2018)