in case electron/binaries doesn't exist

Author: Connoropolous

scripts/download-happs.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
 # bump this in tandem with bumping the INTEGRITY_VERSION_NUMBER
+mkdir -p electron/binaries
 wget https://github.com/lightningrodlabs/acorn-happ/releases/download/v6.0.0/profiles.happ -O electron/binaries/profiles.happ
 wget https://github.com/lightningrodlabs/acorn-happ/releases/download/v6.0.0/projects.happ -O electron/binaries/projects.happ