Fix typos

Change-Id: If0d902d672f1d87797b09c8935fb89a5e0d413d2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210057
Tested-by: Julien Nabet <serval2412@yahoo.fr>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

svx/source/core/graphichelper.cxx

@@ -310,7 +310,7 @@ OUString GraphicHelper::ExportGraphic(weld::Window* pParent, const Graphic& rGra
                         }
                     }
 
-                    // scaling must performed here because png/jpg writer s
+                    // scaling must be performed here because png/jpg writers
                     // do not take care of that.
                     Size aSizePixel( aGraphic.GetSizePixel() );
                     if( nWidth && nHeight &&

svx/source/gallery2/galtheme.cxx

@@ -737,7 +737,7 @@ SvStream& GalleryTheme::ReadData( SvStream& rIStm )
         rIStm.ReadUInt32( nId1 ).ReadUInt32( nId2 );
 
         // In newer versions a 512 byte reserve buffer is located at the end,
-        // the data is located at the beginning of this buffer and are clamped
+        // the data is located at the beginning of this buffer and is clamped
         // by a VersionCompatRead.
         if( !rIStm.eof() &&
             nId1 == COMPAT_FORMAT( 'G', 'A', 'L', 'R' ) &&

svx/source/xoutdev/_xoutbmp.cxx

@@ -209,7 +209,7 @@ ErrCode XOutBitmap::WriteGraphic( const Graphic& rGraphic, OUString& rFileName,
         aURL.setBase( aName );
     }
 
-    // #i121128# use shortcut to write Vector Graphic Data data in original form (if possible)
+    // #i121128# use shortcut to write Vector Graphic Data in original form (if possible)
     if (OUString aExt = isKnownVectorFormat(rGraphic, rFilterName); !aExt.isEmpty())
     {
         if (!(nFlags & XOutFlags::DontAddExtension))