sparc: vDSO: remove an extra tab

This statement is indented one tab too far which is confusing and
leads to a Smatch warning:

    arch/sparc/vdso/vma.c:254 arch_setup_additional_pages()
    warn: curly braces intended?
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Nagarathnam Muthusamy <nagarathnam.muthusamy@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/vdso/vma.c

@@ -251,7 +251,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
 	else
 		return map_vdso(&vdso_image_32_builtin, &vdso_mapping32);
 #else
-		return map_vdso(&vdso_image_64_builtin, &vdso_mapping64);
+	return map_vdso(&vdso_image_64_builtin, &vdso_mapping64);
 #endif
 
 }