--- ./actions.c.00	1999-04-26 15:49:36.000000000 +0200
+++ ./actions.c	2007-08-20 20:36:55.000000000 +0200
@@ -10,7 +10,7 @@
 #include <unistd.h>
 #if defined(HAVE_ERRNO_H)
 #include <errno.h>
-#else defined(HAVE_SYS_ERRNO_H)
+#elif defined(HAVE_SYS_ERRNO_H)
 #include <sys/errno.h>
 #endif
 #include <gtk/gtk.h>
--- ./diffdata.c.00	1999-04-26 15:49:48.000000000 +0200
+++ ./diffdata.c	2007-08-20 20:38:14.000000000 +0200
@@ -16,7 +16,7 @@
 #include <sys/mman.h>
 #if defined(HAVE_ERRNO_H)
 #include <errno.h>
-#else defined(HAVE_SYS_ERRNO_H)
+#elif defined(HAVE_SYS_ERRNO_H)
 #include <sys/errno.h>
 #endif
 #include <glib.h>
--- ./twopane.c.00	1999-04-26 16:09:53.000000000 +0200
+++ ./twopane.c	2007-08-20 20:39:54.000000000 +0200
@@ -11,7 +11,7 @@
 #include <unistd.h>
 #if defined(HAVE_ERRNO_H)
 #include <errno.h>
-#else defined(HAVE_SYS_ERRNO_H)
+#elif defined(HAVE_SYS_ERRNO_H)
 #include <sys/errno.h>
 #endif
 #include <gtk/gtk.h>
--- ./spawn.c.00	1999-04-26 15:59:39.000000000 +0200
+++ ./spawn.c	2007-08-20 20:39:13.000000000 +0200
@@ -46,7 +46,7 @@
 #include <unistd.h>
 #if defined(HAVE_ERRNO_H)
 #include <errno.h>
-#else defined(HAVE_SYS_ERRNO_H)
+#elif defined(HAVE_SYS_ERRNO_H)
 #include <sys/errno.h>
 #endif
 #include "misc.h"