fix typo

Karsten1987 · Karsten1987 · commit 8c03156db7f6 · 2019-10-17T14:03:51.000-07:00
Signed-off-by: Knese Karsten &lt;karsten@openrobotics.org&gt;
diff --git a/rcl/src/rcl/subscription.c b/rcl/src/rcl/subscription.c
@@ -321,7 +321,7 @@ rcl_take_loaned_message(
   if (!rcl_subscription_is_valid(subscription)) {
     return RCL_RET_SUBSCRIPTION_INVALID;  // error already set
   }
-  if (loaned_message) {
+  if (*loaned_message) {
     RCL_SET_ERROR_MSG("loaned message is already initialized");
     return RCL_RET_INVALID_ARGUMENT;
   }

Original file line number	Diff line number	Diff line change
`@@ -321,7 +321,7 @@ rcl_take_loaned_message(`
`321`	`321`	`if (!rcl_subscription_is_valid(subscription)) {`
`322`	`322`	`return RCL_RET_SUBSCRIPTION_INVALID; // error already set`
`323`	`323`	`}`
`324`		`- if (loaned_message) {`
	`324`	`+ if (*loaned_message) {`
`325`	`325`	`RCL_SET_ERROR_MSG("loaned message is already initialized");`
`326`	`326`	`return RCL_RET_INVALID_ARGUMENT;`
`327`	`327`	`}`