Fix compatibility with Rust 1.13 ...

soc · soc · commit 1aceb797d26c · 2020-06-05T19:54:14.000+02:00
... by pinning cfg-if to 0.1.9, as 0.1.10 introduced changes that broke the build.
diff --git a/Cargo.toml b/Cargo.toml
@@ -10,5 +10,5 @@ maintenance = { status = "actively-developed" }
 keywords    = ["xdg", "basedir", "app_dirs", "path", "folder"]
 
 [dependencies]
-cfg-if = "0.1"
+cfg-if = "=0.1.9"
 dirs-sys = "0.3.4"
