Update libreoffice version number again

source/2/2.2/2.2.1/libreoffice.rst

@@ -31,7 +31,7 @@ Screenshot
 
 Version
 -------
-Lubuntu ships with version 7.6.3 of LibreOffice.
+Lubuntu ships with version 7.6.4 of LibreOffice.
 
 How to Launch
 -------------

source/2/2.2/2.2.2/libreoffice_calc.rst

@@ -79,7 +79,7 @@ The :guilabel:`Chart Elements` tab controls labels and displaying legends on you
 
 Version
 -------
-Lubuntu ships with version 7.6.3 of LibreOffice Calc.
+Lubuntu ships with version 7.6.4 of LibreOffice Calc.
 
 How to Launch
 -------------

source/2/2.2/2.2.3/libreoffice_draw.rst

@@ -63,7 +63,7 @@ To print a drawing press :kbd:`Control+P` or :menuselection:`File --> Print`. To
 
 Version
 -------
-Lubuntu ships with version 7.6.3 of LibreOffice Draw.
+Lubuntu ships with version 7.6.4 of LibreOffice Draw.
 
 How to Launch
 -------------

source/2/2.2/2.2.4/libreoffice_impress.rst

@@ -124,7 +124,7 @@ To bring up custom settings for your settings :menuselection:`Slide Show --> Sli
 
 Version
 -------
- Lubuntu ships with version 7.6.3 of LibreOffice Impress.
+ Lubuntu ships with version 7.6.4 of LibreOffice Impress.
 
 How To Launch
 -------------

source/2/2.2/2.2.5/libreoffice_math.rst

@@ -31,7 +31,7 @@ To quit LibreOffice Math press :kbd:`Control+Q`.
 
 Version
 -------
-Lubuntu ships with Version 7.6.3 of LibreOffice Math.
+Lubuntu ships with Version 7.6.4 of LibreOffice Math.
 
 How to Launch
 -------------

source/2/2.2/2.2.6/libreoffice_writer.rst

@@ -142,7 +142,7 @@ To see statistics on your document use the :guilabel:`Statistics` tab. To see ho
 
 Version
 -------
-Lubuntu ships with LibreOffice Writer version 7.6.3
+Lubuntu ships with LibreOffice Writer version 7.6.4
 
 How to Launch
 -------------