README: properly follow redirects in download curl commands

Author: Stephen Gutekanst

README.md

@@ -19,14 +19,14 @@ Currently, the `src` CLI only provides access to Sourcegraph's GraphQL API. It l
 ### Mac OS:
 
 ```bash
-curl https://github.com/sourcegraph/src-cli/releases/download/latest/src_darwin_amd64 -o /usr/local/bin/src
+curl -L https://github.com/sourcegraph/src-cli/releases/download/latest/src_darwin_amd64 -o /usr/local/bin/src
 chmod +x /usr/local/bin/src
 ```
 
 ### Linux:
 
 ```bash
-curl https://github.com/sourcegraph/src-cli/releases/download/latest/src_linux_amd64 -o /usr/local/bin/src
+curl -L https://github.com/sourcegraph/src-cli/releases/download/latest/src_linux_amd64 -o /usr/local/bin/src
 chmod +x /usr/local/bin/src
 ```