bump version

configure.ac

@@ -3,7 +3,7 @@ AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 15)
 define(_CLIENT_VERSION_REVISION, 0)
-define(_CLIENT_VERSION_BUILD, 3)
+define(_CLIENT_VERSION_BUILD, 4)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2018)
 define(_COPYRIGHT_HOLDERS,[The %s developers])
@@ -164,7 +164,7 @@ AC_ARG_ENABLE([lcov],
   [enable lcov testing (default is no)])],
   [use_lcov=yes],
   [use_lcov=no])
-  
+
 AC_ARG_ENABLE([lcov-branch-coverage],
   [AS_HELP_STRING([--enable-lcov-branch-coverage],
   [enable lcov testing branch coverage (default is no)])],
@@ -1303,7 +1303,7 @@ case ${OS} in
    ;;
 esac
 
-echo 
+echo
 echo "Options used to compile and link:"
 echo "  with wallet   = $enable_wallet"
 echo "  with gui / qt = $megacoin_enable_qt"
@@ -1317,7 +1317,7 @@ echo "  with bench    = $use_bench"
 echo "  with upnp     = $use_upnp"
 echo "  debug enabled = $enable_debug"
 echo "  werror        = $enable_werror"
-echo 
+echo
 echo "  target os     = $TARGET_OS"
 echo "  build os      = $BUILD_OS"
 echo
@@ -1328,4 +1328,4 @@ echo "  CXX           = $CXX"
 echo "  CXXFLAGS      = $CXXFLAGS"
 echo "  LDFLAGS       = $LDFLAGS"
 echo "  ARFLAGS       = $ARFLAGS"
-echo 
+echo