Add the start of the per-node data structures

We'll want to store key-value configuration options for each node. These
structures are incomplete, just like the rest of the project. However,
this is a good beginning to what the data is going to look like in
memory.
Signed-off-by: Shawn Webb <shawn.webb@hardenedbsd.org>

libpushover/libpushover.c

@@ -211,9 +211,9 @@ EXPORTED_SYM
 bool
 pushover_submit_message(pushover_ctx_t *ctx, pushover_message_t *msg)
 {
-	CURL *curl;
 	CURLcode curl_code;
 	char *post_str;
+	CURL *curl;
 	bool res;
 
 	assert(ctx != NULL);