docs: fix typo in curl_easy_getinfo manpage

docs/libcurl/curl_easy_getinfo.3

@@ -232,7 +232,7 @@ Pass a pointer to a char pointer to receive a pointer to a string holding the
 most recent RTSP Session ID.
 
 Applications wishing to resume an RTSP session on another connection should
-retreive this info before closing the active connection.
+retrieve this info before closing the active connection.
 .IP CURLINFO_RTSP_CLIENT_CSEQ
 Pass a pointer to a long to receive the next CSeq that will be used by the
 application.
@@ -244,7 +244,7 @@ by the application.
 unimplemented).\fP
 
 Applications wishing to resume an RTSP session on another connection should
-retreive this info before closing the active connection.
+retrieve this info before closing the active connection.
 .IP CURLINFO_RTSP_CSEQ_RECV
 Pass a pointer to a long to receive the most recently received CSeq from the
 server. If your application encounters a \fICURLE_RTSP_CSEQ_ERROR\fP then you