[LyX/master] Add the perl-mode-line for emacs to perl scripts

[Kornel Benko]

commit f4c3dc66687a69cdd1f9cddea53d74875de2695c
Author: Kornel Benko <kor...@lyx.org>
Date:   Sat Dec 3 11:39:28 2016 +0100

    Add the perl-mode-line for emacs to perl scripts
---
 .../boost/function/detail/gen_maybe_include.pl     |    1 +
 3rdparty/boost/boost/function/gen_function_N.pl    |    1 +
 development/cmake/doc/ReplaceValues.pl             |    1 +
 po/pocheck.pl                                      |    1 +
 4 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/3rdparty/boost/boost/function/detail/gen_maybe_include.pl 
b/3rdparty/boost/boost/function/detail/gen_maybe_include.pl
index d062920..982b91d 100644
--- a/3rdparty/boost/boost/function/detail/gen_maybe_include.pl
+++ b/3rdparty/boost/boost/function/detail/gen_maybe_include.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/perl -w
+# -*- mode: perl; -*-
 #
 # Boost.Function library
 #
diff --git a/3rdparty/boost/boost/function/gen_function_N.pl 
b/3rdparty/boost/boost/function/gen_function_N.pl
index d8f1249..c2fb318 100644
--- a/3rdparty/boost/boost/function/gen_function_N.pl
+++ b/3rdparty/boost/boost/function/gen_function_N.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/perl -w
+# -*- mode: perl; -*-
 #
 # Boost.Function library
 #
diff --git a/development/cmake/doc/ReplaceValues.pl 
b/development/cmake/doc/ReplaceValues.pl
index d3bd813..652cb0d 100644
--- a/development/cmake/doc/ReplaceValues.pl
+++ b/development/cmake/doc/ReplaceValues.pl
@@ -1,4 +1,5 @@
 #! /usr/bin/env perl
+# -*- mode: perl; -*-
 
 use strict;
 
diff --git a/po/pocheck.pl b/po/pocheck.pl
index 68dd83f..1cd3a8c 100755
--- a/po/pocheck.pl
+++ b/po/pocheck.pl
@@ -1,4 +1,5 @@
 #! /usr/bin/perl -w
+# -*- mode: perl; -*-
 
 # file pocheck.pl
 #