Ensure Greek has have hints to find the best fonts

(See https://sourceforge.net/p/tuxpaint/bugs/232/)

docs/CHANGES.txt

@@ -8,7 +8,7 @@ http://www.tuxpaint.org/
 
 $Id$
 
-2021.August.31 (0.9.27)
+2021.September.2 (0.9.27)
   * Documentation updates
     ---------------------
     * Ensured Tux Paint's built-in help ("tuxpaint --help"),
@@ -35,6 +35,11 @@ $Id$
     * Moved Windows and macOS compilation instructions into main
       "Installation Documentation" (docs/.../INSTALL...).
 
+  * Translation Updates:
+    --------------------
+    * Ensure some locales have hints to find the best fonts
+      for the Text and Label tools:
+      * Greek
 
 2021.June.28 (0.9.26)
   * New Features

src/po/el.po

@@ -9,7 +9,7 @@ msgstr ""
 "Project-Id-Version: tuxpaint\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2021-06-13 21:06-0700\n"
-"PO-Revision-Date: 2017-12-06 07:45+0000\n"
+"PO-Revision-Date: 2021-09-02 07:45+0000\n"
 "Last-Translator: kiolalis <kiolalis@gmail.com>\n"
 "Language-Team: \n"
 "Language: el\n"
@@ -141,7 +141,7 @@ msgstr "QX"
 #. distinct uppercase and lowercase (e.g., 'o' vs. 'O')
 #: ../dirwalk.c:202
 msgid "oO"
-msgstr "οΟ"
+msgstr "ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣ/ΤΥΦΧΨΩαβγδεζηθικλμνξοπρσςτυφχψω"
 
 #. common punctuation (e.g., '?', '!', '.', ',', etc.)
 #: ../dirwalk.c:205