[dev.cc] runtime: remove comma at the end of DIVL instruction (fixes windows build)

Change-Id: Ia47e1e387acd30f30559d766aa6fca18cbb098f9
Reviewed-on: https://go-review.googlesource.com/5010Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/runtime/sys_windows_386.s

@@ -248,7 +248,7 @@ TEXT runtime·callbackasm1+0(SB),NOSPLIT,$0
 	SUBL	$runtime·callbackasm(SB), AX
 	MOVL	$0, DX
 	MOVL	$5, BX	// divide by 5 because each call instruction in runtime·callbacks is 5 bytes long
-	DIVL	BX,
+	DIVL	BX
 
 	// find correspondent runtime·cbctxts table entry
 	MOVL	runtime·cbctxts(SB), BX

src/runtime/sys_windows_amd64.s

@@ -287,7 +287,7 @@ TEXT runtime·callbackasm1(SB),NOSPLIT,$0
 	SUBQ	DX, AX
 	MOVQ	$0, DX
 	MOVQ	$5, CX	// divide by 5 because each call instruction in runtime·callbacks is 5 bytes long
-	DIVL	CX,
+	DIVL	CX
 
 	// find correspondent runtime·cbctxts table entry
 	MOVQ	runtime·cbctxts(SB), CX