$NetBSD: patch-c__source_bitrev_c,v 1.1 2011/09/12 07:10:32 dholland Exp $

- fix mismatched return statements, which clang dislikes

--- c_source/bitrev.c~	1998-10-20 16:42:09.000000000 +0000
+++ c_source/bitrev.c
@@ -9,7 +9,7 @@ typedef FFTW_REAL real;
 
 void bitrev512(real *, int);
 
-bitrev(x, length)
+void bitrev(x, length)
 real *x;
 int length;
 {