ALL: Force CRLF line-endings for Windows .bat files

Subtle parsing problems with labels can happen if Windows batch files
are checked out with Unix LF line-endings.

.editorconfig

@@ -6,5 +6,8 @@ insert_final_newline = true
 vc_generate_documentation_comments = doxygen_slash_star
 end_of_line = lf
 
+[*.bat]
+end_of_line = crlf
+
 [*.lingo]
 charset = macroman

.gitattributes

@@ -1,6 +1,7 @@
 /po/*.po encoding=utf-8
 *.lingo	encoding=MacRoman
 /engines.awk eol=lf
+*.bat text eol=crlf
 *.cpp text eol=lf
 *.h text eol=lf
 *.hpp text eol=lf