Sync upstream FreeBSD libm.

Test: treehugger
Change-Id: I583a3e93821d512c975db34fc1610ffd22445d58
diff --git a/libm/upstream-freebsd/lib/msun/src/e_fmodf.c b/libm/upstream-freebsd/lib/msun/src/e_fmodf.c
index 1b6bf36..3cef921 100644
--- a/libm/upstream-freebsd/lib/msun/src/e_fmodf.c
+++ b/libm/upstream-freebsd/lib/msun/src/e_fmodf.c
@@ -17,7 +17,7 @@
 __FBSDID("$FreeBSD$");
 
 /*
- * __ieee754_fmodf(x,y)
+ * fmodf(x,y)
  * Return x mod y in exact arithmetic
  * Method: shift and subtract
  */
@@ -28,7 +28,7 @@
 static const float one = 1.0, Zero[] = {0.0, -0.0,};
 
 float
-__ieee754_fmodf(float x, float y)
+fmodf(float x, float y)
 {
 	int32_t n,hx,hy,hz,ix,iy,sx,i;