Change ARM vfp assembly functions to use unified syntax.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@138332 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/arm/negdf2vfp.S b/lib/arm/negdf2vfp.S
index 100f4fd..64c9b69 100644
--- a/lib/arm/negdf2vfp.S
+++ b/lib/arm/negdf2vfp.S
@@ -15,6 +15,7 @@
 // Returns the negation a double precision floating point numbers using the 
 // Darwin calling convention where double arguments are passsed in GPR pairs.
 //
+	.syntax unified
 	.align 2
 DEFINE_COMPILERRT_FUNCTION(__negdf2vfp)
 	eor	r1, r1, #-2147483648	// flip sign bit on double in r0/r1 pair