devscript: quote/expansion nit

for clarity. I think this is special-cased anyway

developer/bin/develop_brew_cask

@@ -101,6 +101,6 @@ mode is in effect.
     exit
 fi
 
-_develop_brew_cask "$@"
+_develop_brew_cask "${@}"
 
 #

developer/bin/get_release_tag

@@ -167,7 +167,7 @@ _get_release_tag () {
     fi
 }
 
-process_args "$@"
+process_args "${@}"
 
 _get_release_tag
 

developer/bin/list_apps_in_pkg

@@ -59,6 +59,6 @@ See CONTRIBUTING.md and 'man pkgutil' for more information.
     exit
 fi
 
-_list_apps_in_pkg "$@"
+_list_apps_in_pkg "${@}"
 
 #

developer/bin/list_ids_in_pkg

@@ -55,6 +55,6 @@ See CONTRIBUTING.md and 'man pkgutil' for more information.
     exit
 fi
 
-_list_ids_in_pkg "$@"
+_list_ids_in_pkg "${@}"
 
 #

developer/bin/list_loaded_kext_ids

@@ -30,6 +30,6 @@ See CONTRIBUTING.md for more information.
     exit
 fi
 
-_list_loaded_kext_ids "$@"
+_list_loaded_kext_ids "${@}"
 
 #

developer/bin/list_recent_pkg_ids

@@ -31,6 +31,6 @@ See CONTRIBUTING.md for more information.
     exit
 fi
 
-_list_recent_pkg_ids "$@"
+_list_recent_pkg_ids "${@}"
 
 #

developer/bin/production_brew_cask

@@ -93,6 +93,6 @@ After running this command it is safe to run 'brew update'.
     exit
 fi
 
-_production_brew_cask "$@"
+_production_brew_cask "${@}"
 
 #

developer/bin/project_stats

@@ -130,6 +130,6 @@ Without argument, show statistics since first commit.
     exit
 fi
 
-_homebrew_cask_project_stats "$@"
+_homebrew_cask_project_stats "${@}"
 
 #