lib: fix typos in comments and errormessages

This fixes a few randomly spotted typos in recently merged code, most
notably one in a userfacing errormessage the schannel code.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/mqtt.h b/lib/mqtt.h
index 155fbd60a..41f7372ce 100644
--- a/lib/mqtt.h
+++ b/lib/mqtt.h
@@ -50,7 +50,7 @@ struct MQTT {
   char *sendleftovers;
   size_t nsend; /* size of sendleftovers */
 
-  /* when receving */
+  /* when receiving */
   size_t npacket; /* byte counter */
   unsigned char firstbyte;
   size_t remaining_length;