Typo fixes for "Don't assume __secure_getenv is available"

	libgfortran/
	* runtime/environ.c (weak_secure_getenv): Fix "__secure_gettime"
	vs. "__secure_getenv" typo.
	(secure_getenv): Fix "HAVE__SECURE_GETENV"
	vs. "HAVE___SECURE_GETENV" typo.

From-SVN: r247952

libgfortran/ChangeLog

+2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* runtime/environ.c (weak_secure_getenv): Fix "__secure_gettime"
+	vs. "__secure_getenv" typo.
+	(secure_getenv): Fix "HAVE__SECURE_GETENV"
+	vs. "HAVE___SECURE_GETENV" typo.
+
 2017-05-11  Janne Blomqvist  <jb@gcc.gnu.org>
 
 	* libgfortran.h: HAVE_SECURE_GETENV: Don't check

libgfortran/runtime/environ.c

@@ -40,13 +40,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 #if SUPPORTS_WEAKREF && defined(HAVE___SECURE_GETENV)
 static char* weak_secure_getenv (const char*)
-  __attribute__((__weakref__("__secure_gettime")));
+  __attribute__((__weakref__("__secure_getenv")));
 #endif
 
 char *
 secure_getenv (const char *name)
 {
-#if SUPPORTS_WEAKREF && defined(HAVE__SECURE_GETENV)
+#if SUPPORTS_WEAKREF && defined(HAVE___SECURE_GETENV)
   if (weak_secure_getenv)
     return weak_secure_getenv (name);
 #endif