correctly build GTK systray icon

the setting was lost during move the GNU make
Signed-off-by: Petr Mladek <pmladek@suse.cz>

sfx2/Library_qstart.mk

@@ -48,6 +48,13 @@ $(eval $(call gb_Library_set_defs,qstart_gtk,\
     -DENABLE_QUICKSTART_APPLET \
 ))
 
+ifeq ($(ENABLE_SYSTRAY_GTK),TRUE)
+$(eval $(call gb_Library_set_defs,qstart_gtk,\
+    $$(DEFS) \
+    -DENABLE_SYSTRAY_GTK \
+))
+endif
+
 $(eval $(call gb_Library_set_cflags,qstart_gtk,\
     $$(CFLAGS) \
     $(filter-out -I%,$(GTK_CFLAGS)) \

sfx2/Library_sfx.mk

@@ -60,6 +60,15 @@ $(eval $(call gb_Library_set_defs,sfx,\
     -DSFX2_DLLIMPLEMENTATION \
 ))
 
+ifeq ($(ENABLE_SYSTRAY_GTK),TRUE)
+$(eval $(call gb_Library_set_defs,sfx,\
+    $$(DEFS) \
+    -DENABLE_QUICKSTART_APPLET \
+    -DENABLE_SYSTRAY_GTK \
+    -DPLUGIN_NAME=libqstart_gtk$(gb_Library_OOOEXT) \
+))
+endif
+
 $(eval $(call gb_Library_add_linked_libs,sfx,\
     comphelper \
     cppu \

sfx2/source/appl/shutdownicon.cxx

@@ -90,7 +90,7 @@ extern "C" { static void SAL_CALL thisModule() {} }
 # endif
 #endif
 
-#if defined(UNX) && defined(ENABLE_SYSTRAY_GTK)
+#if defined(UNX) && defined(ENABLE_SYSTRAY_GTK) && !defined(PLUGIN_NAME)
 #define PLUGIN_NAME "libqstart_gtkli.so"
 #endif