Sync with upstream FreeBSD libm.

Change-Id: I97e9b23903f1d993d84825806065e85626007d31
diff --git a/libm/upstream-freebsd/lib/msun/src/s_cprojf.c b/libm/upstream-freebsd/lib/msun/src/s_cprojf.c
index 68ea77b..63af75f 100644
--- a/libm/upstream-freebsd/lib/msun/src/s_cprojf.c
+++ b/libm/upstream-freebsd/lib/msun/src/s_cprojf.c
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+__FBSDID("$FreeBSD: head/lib/msun/src/s_cprojf.c 275819 2014-12-16 09:21:56Z ed $");
 
 #include <complex.h>
 #include <math.h>
@@ -39,5 +39,5 @@
 	if (!isinf(crealf(z)) && !isinf(cimagf(z)))
 		return (z);
 	else
-		return (cpackf(INFINITY, copysignf(0.0, cimagf(z))));
+		return (CMPLXF(INFINITY, copysignf(0.0, cimagf(z))));
 }