Use MK_OS_OS2 macro instead of __EMX__

* src/makeint.h: Set MK_OS_OS2 to 1 if __EMX__ is set.
* src/*: Convert #if refs to __EMX__, to use MK_OS_OS2.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dir.c b/src/dir.c
index 991f2bd9..9a26e031 100644
--- a/src/dir.c
+++ b/src/dir.c
@@ -653,7 +653,7 @@ dir_contents_file_exists_p (struct directory *dir,
   filename = downcase (filename);
 #endif
 
-#ifdef __EMX__
+#if MK_OS_OS2
   if (filename != NULL)
     {
       size_t len = strlen (filename);