Revert wrong commit 20554 to tags/release_2_6_0 instead of branches/fixes_2_6_0

git-svn-id: tags/release_2_6_0@20561 -

compiler/version.pas

@@ -30,7 +30,7 @@ interface
        version_nr = '2';
        release_nr = '6';
        patch_nr   = '0';
-       minorpatch = 'a';
+       minorpatch = '';
 
        { word version for ppu file }
        wordversion = ((ord(version_nr)-ord('0')) shl 14)+