Revert "change checks for utmp/utmpx in header"

This thing is more broken than I thought...
there is probably less musl linux users than cygwin ones so fully revert

This reverts commit 74fdc8988b55633cd05f8625390cd3f6a8102003.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/os.h b/src/os.h
index 7ceade1..55de249 100644
--- a/src/os.h
+++ b/src/os.h
@@ -250,11 +250,9 @@ extern int errno;
 #endif
 
 #if defined(UTMPOK) || defined(BUGGYGETLOGIN)
-# if defined(SVR4) && !defined(DGUX) && !defined(__hpux)
+# if defined(SVR4) && !defined(DGUX) && !defined(__hpux) && !defined(linux)
 #  include <utmpx.h>
-#  ifdef UTMPX_FILE /* GNU extension */
-#   define UTMPFILE	UTMPX_FILE
-#  endif
+#  define UTMPFILE	UTMPX_FILE
 #  define utmp		utmpx
 #  define getutent	getutxent
 #  define getutid	getutxid