message: Fix linux build (add missing new src files)
diff: @@ -71,7 +71,8 @@ common_SOURCES = anonymize.cpp \
  txmempool.cpp \
  chainparams.cpp \
  state.cpp \
  - bloom.cpp
  + bloom.cpp \
  + shutdown.cpp
  bin_PROGRAMS = spectrecoind
  spectrecoind_SOURCES = $(common_SOURCES) \
  @@ -268,7 +269,8 @@ spectre_SOURCES = $(common_SOURCES) \
  qt/trafficgraphwidget.cpp \
  qt/spectregui.cpp \
  qt/spectre.cpp \
  - qt/spectrebridge.cpp
  + qt/spectrebridge.cpp \
  + qt/winshutdownmonitor.cpp
  spectre_LDADD = $(spectrecoind_LDADD) $(QT5_LIBS) $(QT5WEBKIT_LIBS)
  spectre_CPPFLAGS = $(spectrecoind_CPPFLAGS) $(QT5_CFLAGS) $(QT5WEBKIT_CFLAGS) -DQT_DISABLE_DEPRECATED_BEFORE=0
  