fix rustflags being concatenated without spaces between them

pietroalbini · pietroalbini · commit e2cf6f2b01f3 · 2019-10-09T09:22:44.000+02:00
diff --git a/src/docbuilder/rustwide_builder.rs b/src/docbuilder/rustwide_builder.rs
@@ -398,7 +398,7 @@ impl RustwideBuilder {
                     "RUSTFLAGS",
                     metadata
                         .rustc_args
-                        .map(|args| args.join(""))
+                        .map(|args| args.join(" "))
                         .unwrap_or("".to_owned()),
                 )
                 .env("RUSTDOCFLAGS", rustdoc_flags.join(" "))

Original file line number	Diff line number	Diff line change
`@@ -398,7 +398,7 @@ impl RustwideBuilder {`
`398`	`398`	`"RUSTFLAGS",`
`399`	`399`	`metadata`
`400`	`400`	`.rustc_args`
`401`		`- .map(\|args\| args.join(""))`
	`401`	`+ .map(\|args\| args.join(" "))`
`402`	`402`	`.unwrap_or("".to_owned()),`
`403`	`403`	`)`
`404`	`404`	`.env("RUSTDOCFLAGS", rustdoc_flags.join(" "))`