[LyX/master] Addd parameter to xgettext to also parse utf-8 chars.

[Kornel Benko]

commit 7bc45a9812851f761b1a030fe923ff9258f557e4
Author: Kornel Benko <kor...@lyx.org>
Date:   Sat Dec 5 01:35:19 2015 +0100

    Addd parameter to xgettext to also parse utf-8 chars.

diff --git a/po/CMakeLists.txt b/po/CMakeLists.txt
index e9cec52..4d70d24 100755
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -129,6 +129,7 @@ ADD_CUSTOM_COMMAND(
     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_lyxname}.pot"
     COMMAND ${CMAKE_COMMAND} -E copy 
"${CMAKE_CURRENT_BINARY_DIR}/${_lyxname}.fmt.pot" 
"${CMAKE_CURRENT_BINARY_DIR}/${_lyxname}.pot"
     COMMAND ${GETTEXT_XGETTEXT_EXECUTABLE}
+      --from-code=UTF-8
       --default-domain=${_lyxname} --directory=${TOP_SRC_DIR}
       --add-comments=TRANSLATORS:
       --language=C++ --join-existing --keyword=_ --keyword=N_ --keyword=B_ 
--keyword=qt_