Bug fix chjj#263: Always redirect std{out,err} if --logpath is specified

Always redirect std{out,err} if --logpath is specified, instead of only
redirect after fork, to correct the inconsistent behavior of --logpath
when getppid() returns 1. (chjj#263)

src/compton.c

@@ -4965,7 +4965,6 @@ fork_after(session_t *ps) {
     printf_errf("(): freopen() failed.");
     return false;
   }
-  success = ostream_reopen(ps, NULL);
 
   return success;
 }
@@ -7444,6 +7443,10 @@ session_init(session_t *ps_old, int argc, char **argv) {
     }
   }
 
+  // Redirect output stream
+  if (ps->o.fork_after_register || ps->o.logpath)
+    ostream_reopen(ps, NULL);
+
   write_pid(ps);
 
   // Free the old session