Fix memory leak in GCM by adding gcm_free()
diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index 862328f..c6f52ff 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -295,6 +295,7 @@
 
 static void gcm_ctx_free( void *ctx )
 {
+    gcm_free( ctx );
     polarssl_free( ctx );
 }