crypto: af_alg - make exports consistant

Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 26089d1..f22cc56 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -381,7 +381,7 @@
 	sg_unmark_end(sgl_prev->sg + sgl_prev->npages - 1);
 	sg_chain(sgl_prev->sg, sgl_prev->npages + 1, sgl_new->sg);
 }
-EXPORT_SYMBOL(af_alg_link_sg);
+EXPORT_SYMBOL_GPL(af_alg_link_sg);
 
 void af_alg_free_sg(struct af_alg_sgl *sgl)
 {