[xmlrpc-c] Coverity 1024180, 1024205, 1024301, 1024847, 1024848, 1024377, 1024378, 1024379, 1024380, 1024381, 1024584, 1024495, 1214208 fixes.

libs/xmlrpc-c/lib/abyss/src/handler.c

@@ -305,7 +305,7 @@ sendDirectoryDocument(TList *      const listP,
         if (k > 24) {
             snprintf(z1, sizeof(z1), "%.10s...%s", z, z + k - 11);
             k = 24;
-            p = z1 + 24;
+            p = z1 + k;
         } else {
             snprintf(z1, sizeof(z1), "%s", z);