bump version to 2.8.8

Author: stefankueng

version.build.in

@@ -4,7 +4,7 @@
         <setenv>
             <variable name="MajorVersion" value="2" />
             <variable name="MinorVersion" value="8" />
-            <variable name="MicroVersion" value="7" />
+            <variable name="MicroVersion" value="8" />
             <variable name="WCREV" value="$WCREV$" />
             <variable name="WCLOGCOUNT" value="$WCLOGCOUNT$" />
             <variable name="WCDATE" value="$WCDATE$" />