Update TDEL10n module

+ Little modification in code formatting.
+ Added comment about editing the list inside foreach.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 4eb308f914)

modules/TDEL10n.cmake

@@ -155,6 +155,12 @@ endfunction( )
 #####     source_spec:element,attribute[,context]
 #####   DESTINATION determines directory to save translation template.
 #####
+##### Note:
+#####    Editing the _files list inside foreach( ${_files} ) below in the
+#####    code is safe, because in CMake foreach parameters are evaluated
+#####    before the loop starts. Therefore, the changes in the list inside
+#####    the loop do not have an unwanted impact on the loop processing.
+#####
 
 macro( tde_l10n_create_template )
 
@@ -278,8 +284,9 @@ macro( tde_l10n_create_template )
     endif( )
 
   endforeach( )
+
+  # add common translator info
   if( _files )
-    # add common translator info
     set( _translatorinfo
       "i18n(\"NAME OF TRANSLATORS\", \"Your names\")\n"
       "i18n(\"EMAIL OF TRANSLATORS\", \"Your emails\")\n"
@@ -287,8 +294,9 @@ macro( tde_l10n_create_template )
     file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/_translatorinfo.tde_l10n ${_translatorinfo} )
     list( INSERT _files 0 "_translatorinfo.tde_l10n" )
   endif( )
+
+  # filter files by excludes
   if( _excludes )
-    # filter files by excludes
     foreach( _src ${_files} )
       foreach( _exclude ${_excludes} )
         if( ${_src} MATCHES ${_exclude} )