cmd/gofmt, crypto/tls: fix typos

Fix spelling of "original" and "occurred" in new gofmt docs. The same
misspelling of "occurred" was also present in crypto/tls, I fixed it there as
well.

Change-Id: I67b4f1c09bd1a2eb1844207d5514f08a9f525ff9
Reviewed-on: https://go-review.googlesource.com/33138
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/cmd/gofmt/doc.go

@@ -32,8 +32,8 @@ The flags are:
 	-w
 		Do not print reformatted sources to standard output.
 		If a file's formatting is different from gofmt's, overwrite it
-		with gofmt's version. If an error occured during overwriting,
-		the orginal file is restored from an automatic backup.
+		with gofmt's version. If an error occurred during overwriting,
+		the original file is restored from an automatic backup.
 
 Debugging support:
 	-cpuprofile filename

src/crypto/tls/handshake_client.go

@@ -115,7 +115,7 @@ NextCipherSuite:
 
 	// Session resumption is not allowed if renegotiating because
 	// renegotiation is primarily used to allow a client to send a client
-	// certificate, which would be skipped if session resumption occured.
+	// certificate, which would be skipped if session resumption occurred.
 	if sessionCache != nil && c.handshakes == 0 {
 		// Try to resume a previously negotiated TLS session, if
 		// available.

src/crypto/tls/handshake_client_test.go

@@ -359,7 +359,7 @@ func (test *clientTest) run(t *testing.T, write bool) {
 				}
 
 				if expected := i + 1; client.handshakes != expected {
-					t.Errorf("client should have recorded %d handshakes, but believes that %d have occured", expected, client.handshakes)
+					t.Errorf("client should have recorded %d handshakes, but believes that %d have occurred", expected, client.handshakes)
 				}
 			}()