Fix typos

Change-Id: If96f95194729e04a75ad3a46ae6ea360021e8212
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210212
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

vcl/inc/pdf/ExternalPDFStreams.hxx

@@ -22,7 +22,7 @@
 
 namespace vcl
 {
-// An external PDF stream, which stores the PDF stream data as byte array.
+// An external PDF stream, which stores the PDF stream data as a byte array.
 // This struct is also responsible for parsing the stream as a PDFDocument,
 // and storing its instance for the life-cycle of the struct, so that it
 // is reused to avoid unnecessary parsing.
@@ -54,7 +54,7 @@ struct VCL_DLLPUBLIC ExternalPDFStream
     }
 };
 
-// Class to manage external PDF streams, for the de-duplication purpose.
+// Class to manage external PDF streams, for deduplication purposes.
 class ExternalPDFStreams
 {
 private:

vcl/osx/clipboard.hxx

@@ -74,7 +74,7 @@ public:
 
      @param bUseSystemClipboard
      If 'pasteboard' is NULL 'bUseSystemClipboard' determines whether the
-     system clipboard will be created (bUseSystemClipboard == true) or if
+     system clipboard will be created (bUseSystemClipboard == true) or
      the DragPasteboard if bUseSystemClipboard == false
    */
   AquaClipboard(NSPasteboard* pasteboard,

vcl/osx/saltimer.cxx

@@ -109,7 +109,7 @@ void AquaSalTimer::Start( sal_uInt64 nMS )
                                                     repeats: NO
                                            ] retain];
             /* #i84055# add timer to tracking run loop mode,
-               so they also elapse while e.g. live resize
+               so it also elapses during e.g. live resize
             */
             [[NSRunLoop currentRunLoop] addTimer: m_pRunningTimer forMode: NSEventTrackingRunLoopMode];
         }