Fix code styling for return statements
diff --git a/library/pkparse.c b/library/pkparse.c
index cd5be92..218f38a 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -830,7 +830,7 @@
         return( ret );
     }
 
-    return 0;
+    return( 0 );
 }
 #endif /* POLARSSL_ECP_C */
 
@@ -919,7 +919,7 @@
 #endif /* POLARSSL_ECP_C */
         return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
 
-    return 0;
+    return( 0 );
 }
 
 /*