Fix utils/git

In this context, we want to use ${*} rather than ${@}

README.md

@@ -62,10 +62,15 @@ sourcezap is available
 
 The most recent version of sourcezap can be installed via git:
 
+    # Clone
     user@localhost$ git clone https://git.hardenedbsd.org/0x1eef/sourcezap.git
     user@localhost$ cd sourcezap
+
+    # Install
     root@localhost# make install
     root@localhost# setup-sourcezap
+
+    # Add user to '_sourcezap' group
     root@localhost# pw groupmod -n _sourcezap -m <user>
 
 ## Requirements

libexec/sourcezap/utils/git

@@ -10,4 +10,4 @@ mode=u=rwX,g=rX,o=
 # main
 doas -n \
      -u _sourcezap \
-     /bin/sh -c "umask ${mode}; ${git} ${@}"
+     /bin/sh -c "umask ${mode}; ${git} ${*}"