CLEANUP: assorted typo fixes in the code and comments

This is 15th iteration of typo fixes
diff --git a/src/stream.c b/src/stream.c
index e24ea49..5e675b1 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -2004,7 +2004,7 @@
 	 */
 
 
-	/* If noone is interested in analysing data, it's time to forward
+	/* If no one is interested in analysing data, it's time to forward
 	 * everything. We configure the buffer to forward indefinitely.
 	 * Note that we're checking CF_SHUTR_NOW as an indication of a possible
 	 * recent call to channel_abort().
@@ -2175,7 +2175,7 @@
 
 	/* perform output updates to the response buffer */
 
-	/* If noone is interested in analysing data, it's time to forward
+	/* If no one is interested in analysing data, it's time to forward
 	 * everything. We configure the buffer to forward indefinitely.
 	 * Note that we're checking CF_SHUTR_NOW as an indication of a possible
 	 * recent call to channel_abort().