Update guard to take __progname into account

diff --git a/compat/getprogname.c b/compat/getprogname.c
index eb5fabfddb186956d391aa20018aa92a3365917b..cc897f3851236cc69290936fc776efeee3ce2252 100644 (file)
--- a/compat/getprogname.c
+++ b/compat/getprogname.c
@@ -16,7 +16,7 @@
 
 #include <config.h>
 
-#ifndef HAVE_GETPROGNAME
+#if !defined(HAVE_GETPROGNAME) && !defined(HAVE___PROGNAME)
 
 #include <sys/types.h>
 
@@ -46,4 +46,4 @@ getprogname(void)
 {
     return progname;
 }
-#endif /* HAVE_GETPROGNAME */
+#endif /* !HAVE_GETPROGNAME !HAVE___PROGNAME */