Fix the build on Go 1.10 and before (#161)

jeffallen · xiang90 · commit 2eb7227adea1 · 2019-05-28T13:21:53.000-07:00
Fixes #160.
diff --git a/bolt_riscv64.go b/bolt_riscv64.go
@@ -1,3 +1,5 @@
+// +build riscv64
+
 package bbolt
 
 // maxMapSize represents the largest mmap size supported by Bolt.

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+// +build riscv64`
	`2`	`+`
`1`	`3`	`package bbolt`
`2`	`4`
`3`	`5`	`// maxMapSize represents the largest mmap size supported by Bolt.`