Patch to fix following is at: 

http://bugs.gentoo.org/attachment.cgi?id=105545&action=view

Merging translations into xfce4-notes-plugin.desktop.
i686-pc-linux-gnu-gcc  -O2 -march=athlon-xp -pipe  -Wl,-O1,--as-needed -o xfce4-notes-plugin -lxfce4panel -lxfcegui4 -lgtk-x11-2.0 -lxfce4util -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 -lxfcegui4 -lgtk-x11-2.0 -lxfce4util -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 -lxfce4util -lglib-2.0                          xfce4_notes_plugin-notes.o xfce4_notes_plugin-notes-window.o xfce4_notes_plugin-notes-options.o  
xfce4_notes_plugin-notes.o: In function `notes_new':
notes.c:(.text+0x11): undefined reference to `g_malloc0'
notes.c:(.text+0x25): undefined reference to `xfce_create_panel_button'
notes.c:(.text+0x33): undefined reference to `gtk_widget_show'
notes.c:(.text+0x38): undefined reference to `gtk_image_new'
notes.c:(.text+0x46): undefined reference to `gtk_widget_show'
notes.c:(.text+0x51): undefined reference to `gtk_container_get_type'
notes.c:(.text+0x63): undefined reference to `g_type_check_instance_cast'
notes.c:(.text+0x6f): undefined reference to `gtk_container_add'
notes.c:(.text+0x74): undefined reference to `gtk_tooltips_new'
notes.c:(.text+0xa3): undefined reference to `gtk_tooltips_get_type'
notes.c:(.text+0xb5): undefined reference to `g_type_check_instance_cast'
notes.c:(.text+0xcd): undefined reference to `gtk_tooltips_set_tip'

Output supressed.

Thanks, Samuli