updated for version 7.1-090
diff --git a/src/os_unix.c b/src/os_unix.c
index d0a1c52..c062ad1 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -753,7 +753,8 @@
if (signal_stack != NULL)
{
# ifdef HAVE_SIGALTSTACK
-# ifdef __APPLE__
+# if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \
+ || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040)
/* missing prototype. Adding it to osdef?.h.in doesn't work, because
* "struct sigaltstack" needs to be declared. */
extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss));
@@ -5688,7 +5689,7 @@
/*
* Closes connection to gpm
- * returns non-zero if connection succesfully closed
+ * returns non-zero if connection successfully closed
*/
static void
gpm_close()