Sync upstream FreeBSD libm.

Test: treehugger
Change-Id: I583a3e93821d512c975db34fc1610ffd22445d58
diff --git a/libm/upstream-freebsd/lib/msun/src/e_asinf.c b/libm/upstream-freebsd/lib/msun/src/e_asinf.c
index deaabb6..db4b9b6 100644
--- a/libm/upstream-freebsd/lib/msun/src/e_asinf.c
+++ b/libm/upstream-freebsd/lib/msun/src/e_asinf.c
@@ -32,7 +32,7 @@
 pio2 =  1.570796326794896558e+00;
 
 float
-__ieee754_asinf(float x)
+asinf(float x)
 {
 	double s;
 	float t,w,p,q;