libm: Add missing END() directives for amd64 routines

No functional change.  Related to D22122.

Reviewed by:	emaste, kib (earlier version both)

lib/msun/amd64/e_remainder.S

@@ -51,5 +51,6 @@ ENTRY(remainder)
 	movsd	-8(%rsp),%xmm0
 	fstp	%st
 	ret
+END(remainder)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/e_remainderf.S

@@ -21,5 +21,6 @@ ENTRY(remainderf)
 	movss	-4(%rsp),%xmm0
 	fstp	%st
 	ret
+END(remainderf)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/e_remainderl.S

@@ -46,5 +46,6 @@ ENTRY(remainderl)
 	jne	1b
 	fstp	%st(1)
 	ret
+END(remainderl)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/e_sqrtl.S

@@ -31,5 +31,6 @@ ENTRY(sqrtl)
 	fldt	8(%rsp)
 	fsqrt
 	ret
+END(sqrtl)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/s_llrintl.S

@@ -33,5 +33,6 @@ ENTRY(llrintl)
 	fistpll	(%rsp)
 	popq	%rax
 	ret
+END(llrintl)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/s_logbl.S

@@ -41,5 +41,6 @@ ENTRY(logbl)
 	fxtract
 	fstp	%st
 	ret
+END(logbl)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/s_lrintl.S

@@ -33,5 +33,6 @@ ENTRY(lrintl)
 	fistpll	(%rsp)
 	popq	%rax
 	ret
+END(lrintl)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/s_remquol.S

@@ -60,5 +60,6 @@ ENTRY(remquol)
 /* Store the quotient and return. */
 	movl	%eax,(%rdi)
 	ret
+END(remquol)
 
 	.section .note.GNU-stack,"",%progbits

lib/msun/amd64/s_rintl.S

@@ -41,5 +41,6 @@ ENTRY(rintl)
 	fldt	8(%rsp)
 	frndint
 	ret
+END(rintl)
 
 	.section .note.GNU-stack,"",%progbits