tree-wide: remove problematic terminology

src/lxc/attach.c

@@ -1464,7 +1464,7 @@ int lxc_attach(struct lxc_container *container, lxc_attach_exec_t exec_function,
 	 * just fork()s away without exec'ing directly after, the socket fd will
 	 * exist in the forked process from the other thread and any close() in
 	 * our own child process will not really cause the socket to close
-	 * properly, potentially causing the parent to hang.
+	 * properly, potentially causing the parent to get stuck.
 	 *
 	 * For this reason, while IPC is still active, we have to use shutdown()
 	 * if the child exits prematurely in order to signal that the socket is

src/tests/api_reboot.c

@@ -109,7 +109,7 @@ int main(int argc, char *argv[])
 	/* reboot 10 times */
 	for (i = 0; i < 10; i++) {
 		/* Give the init system some time to setup it's signal handlers
-		 * otherwise we will hang indefinitely.
+		 * otherwise we will wait indefinitely.
 		 */
 		sleep(5);
 
@@ -126,7 +126,7 @@ int main(int argc, char *argv[])
 	}
 
 	/* Give the init system some time to setup it's signal handlers
-	 * otherwise we will hang indefinitely.
+	 * otherwise we will wait indefinitely.
 	 */
 	sleep(5);