[LyX/master] Windows installer: updated translation by Koji

[Uwe Stöhr]

commit af966e1ee3c908d83a346abc16148595092c56c3
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Thu Feb 4 00:13:21 2016 +0100

    Windows installer: updated translation by Koji
    
    - also add a note

diff --git a/development/Win32/packaging/installer/include/gui.nsh 
b/development/Win32/packaging/installer/include/gui.nsh
index 5a4015c..078e6b3 100644
--- a/development/Win32/packaging/installer/include/gui.nsh
+++ b/development/Win32/packaging/installer/include/gui.nsh
@@ -34,7 +34,7 @@ BrandingText " "
 !insertmacro MUI_PAGE_WELCOME
 # Show the license.
 !insertmacro MUI_PAGE_LICENSE "${FILES_LICENSE}"
-
+# Decision if it should be installed as admin or not
 !insertmacro MULTIUSER_PAGE_INSTALLMODE
 
 #Page custom PageExternalLaTeX PageExternalLaTeXValidate
diff --git a/development/Win32/packaging/installer/lang/japanese.nsh 
b/development/Win32/packaging/installer/lang/japanese.nsh
index 9881c62..03741ed 100644
--- a/development/Win32/packaging/installer/lang/japanese.nsh
+++ b/development/Win32/packaging/installer/lang/japanese.nsh
@@ -84,10 +84,10 @@ ${LangFileString} RunConfigureFailed "configure
 ${LangFileString} NotAdmin "LyX�𓱓������ɂ́A�Ǘ��Ҍ����������Ă��Ȃ��Ă͂Ȃ��܂����I"
 ${LangFileString} InstallRunning "�����v���O�����͊��ɓ��쒆�ł��I"
 ${LangFileString} AlreadyInstalled "LyX${APP_SERIES_KEY2}�͊��ɓ����ς݂ł��I$\r$\n\
-                               Installing over existing installations is not 
recommended if the installed version$\r$\n\
-                               is a test release or if you have problems with 
your existing LyX installation.$\r$\n\
-                               In these cases better reinstall LyX.$\r$\n\
-                               Dou you nevertheles want to install LyX over 
the existing version?�B"
+                               
�����ς݂̃o�[�W�������e�X�g�łł��������A�����ς�LyX�Ŗ��肪�����ꍇ�ɂ́A$\r$\n\
+                               
�㏑���������Ƃ͐��������܂����B�������̏ꍇ�ɂ́ALyX���ŏ������ē�������$\r$\n\
+                               ���Ƃ����������܂��B$\r$\n\
+                               �����������m�̏��ŁA������LyX���㏑�����܂����H"
 ${LangFileString} NewerInstalled 
"���Ȃ��́A���ɓ����ς݂�LyX�������Â��ł𓱓����悤�Ƃ��Ă��܂��B$\r$\n\
                                  �{���ɂ����������̂ł����΁A������ LyX 
$OldVersionNumber ���܂������������Ă��������B"