patch 8.2.2160: various typos

Problem:    Various typos.
Solution:   Fix spelling mistakes. (closes #7494)
diff --git a/src/if_ole.cpp b/src/if_ole.cpp
index e415a19..f7108e4 100644
--- a/src/if_ole.cpp
+++ b/src/if_ole.cpp
@@ -635,7 +635,7 @@
     LPOLESTR wGUID = NULL;
     StringFromCLSID(guid, &wGUID);
 
-    // Covert from wide characters to non-wide
+    // Convert from wide characters to non-wide
     wcstombs(GUID, wGUID, length);
 
     // Free memory