shepherd: fix some typos

run_gitea-dump.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-bin/su -l gitea -c 'GITEA_WORK_DIR=/var/lib/git/gitea HOME=/var/lib/git/gitea $(/var/guix/profiles/per-user/shepherd/current-guix/bin/guix build gitea)/bin/gitea dump --verbose'
+/bin/su -l gitea -c 'GITEA_WORK_DIR=/var/lib/git/gitea HOME=/var/lib/git/gitea $(/var/guix/profiles/per-user/shepherd/current-guix/bin/guix build gitea)/bin/gitea dump --verbose'

shepherd/init.d/rn6app.scm

@@ -3,7 +3,7 @@
 	#:provides '(rn6app)
 	#:docstring "Run RN6 Assembly Error app"
 	#:start (make-forkexec-constructor
-		  ;(system* "/var/guix/profiles/per-user/shepherd/current-guix/bin/guix" "environment" "--ad-hoc" "rn6-assembly-error-app" "--" "/bin/sh -c 'R_LIBS_USER=$GUIX_ENVIRONMENT/site-library/ rn6-assembly-error-app'")
+		  ;(system* "/var/guix/profiles/per-user/shepherd/current-guix/bin/guix" "environment" "--ad-hoc" "rn6-assembly-error-app" "--" "sh" "-c" "\\'R_LIBS_USER=$GUIX_ENVIRONMENT/site-library/ rn6-assembly-error-app\\'")
 		  '("/home/shepherd/run_rn6app.sh")
 		  #:log-file "/home/shepherd/logs/rn6app.log")
 	#:stop (make-kill-destructor)