sshkey: uclibc only defines fmemopen(3) if _GNU_SOURCE is defined

Fixes #516.

diff --git a/src/libstrongswan/plugins/sshkey/sshkey_builder.c b/src/libstrongswan/plugins/sshkey/sshkey_builder.c
index 569b0b73840ec5a03030673c6ce1398b87083951..652663108b06f0c5911eb89b884c71cf467b42a8 100644 (file)
--- a/src/libstrongswan/plugins/sshkey/sshkey_builder.c
+++ b/src/libstrongswan/plugins/sshkey/sshkey_builder.c
@@ -13,6 +13,7 @@
  * for more details.
  */
 
+#define _GNU_SOURCE /* for fmemopen() */
 #include <unistd.h>
 #include <stdio.h>
 #include <errno.h>