cverity#736478: leaked file descriptors

Change-Id: I0e79f3e330fe1535c473d49010da34b04b9c5875

solenv/bin/concat-deps.c

@@ -670,9 +670,9 @@ int fd;
                         rc = EIO;
                     }
                 }
-                close(fd);
                 buffer[*size] = 0;
             }
+            close(fd);
         }
     }