[t:2418] Fixed missing va_end in construct_full_name found by coverity

git-svn-id: file:///svn/toku/tokudb@18137 c7de825b-a66e-492c-adef-691d508d4ae1

src/ydb.c

@@ -3873,6 +3873,7 @@ static char *construct_full_name(int count, ...) {
             name = newname;
         }
     }
+    va_end(ap);
 
     return name;
 }