Update xquartz to 2.8.4.

Author: dak180

srcinstaller/Install Fink.tool

@@ -39,8 +39,8 @@ FinkDirectorY="${FinkOutDir}-${FinkVersion}"
 FinkFileName="${FinkDirectorY}.tar.gz"
 FinkSourceDLP="https://downloads.sourceforge.net/project/fink/fink/${FinkVersion}/${FinkFileName}"
 
-XQuartzVersion="2.8.3"
-XQuartzMD5Sum="e46f28b5cbb85a41a56f0e8d82f1fdfb"
+XQuartzVersion="2.8.4"
+XQuartzMD5Sum="324a81beb2385d3b56427e4388e7e316"
 XQuartzFileName="XQuartz-${XQuartzVersion}.pkg"
 XQuartzPKGPath="${XQuartzFileName}"
 XQuartzSourceDLP="https://github.com/XQuartz/XQuartz/releases/download/XQuartz-${XQuartzVersion}/${XQuartzFileName}"