- Fixed typo

diff --git a/library/md_wrap.c b/library/md_wrap.c
index 6b7cca9..23d1294 100644
--- a/library/md_wrap.c
+++ b/library/md_wrap.c
@@ -451,7 +451,7 @@
 
 void * sha256_ctx_alloc( void )
 {
-    return malloc( sizeof( sha2_context ) `);
+    return malloc( sizeof( sha2_context ) );
 }
 
 void sha256_ctx_free( void *ctx )