Work around known GCC 3.4.x problem and use ANSI prototype for dremf().

lib/msun/src/w_dremf.c

@@ -4,13 +4,13 @@
  * Written by J.T. Conklin, <jtc@wimsey.com>
  * Placed into the Public Domain, 1994.
  */
+/* $FreeBSD$ */
 
 #include "math.h"
 #include "math_private.h"
 
 float
-dremf(x, y)
-	float x, y;
+dremf(float x, float y)
 {
 	return remainderf(x, y);
 }