posix.c (backtrace_open): Cast second argument of open() to int.

2015-09-17  Ian Lance Taylor  <iant@google.com>

        * posix.c (backtrace_open): Cast second argument of open() to int.

From-SVN: r227881

libbacktrace/ChangeLog

+2015-09-17  Ian Lance Taylor  <iant@google.com>
+
+	* posix.c (backtrace_open): Cast second argument of open() to int.
+
 2015-09-11  Ian Lance Taylor  <iant@google.com>
 
 	* Makefile.am (backtrace.lo): Depend on internal.h.

libbacktrace/posix.c

@@ -64,7 +64,7 @@ backtrace_open (const char *filename, backtrace_error_callback error_callback,
   if (does_not_exist != NULL)
     *does_not_exist = 0;
 
-  descriptor = open (filename, O_RDONLY | O_BINARY | O_CLOEXEC);
+  descriptor = open (filename, (int) (O_RDONLY | O_BINARY | O_CLOEXEC));
   if (descriptor < 0)
     {
       if (does_not_exist != NULL && errno == ENOENT)