Fix gofmt hook

Author: yorinasub17

hooks/gofmt.sh

@@ -7,6 +7,7 @@ set -e
 # workaround to allow GitHub Desktop to work, add this (hopefully harmless) setting here.
 export PATH=$PATH:/usr/local/bin
 
+
 for file in "$@"; do
-  go fmt "$(dirname "$file")"
-done
+  go fmt "./$(dirname "$file")"
+done