add missing new files.

src/academy.c

@@ -0,0 +1,30 @@
+/*
+Copyright (c) 1998-2015, Enno Rehling <enno@eressea.de>
+Katja Zedel <katze@felidae.kn-bremen.de
+Christian Schlittchen <corwin@amber.kn-bremen.de>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+**/
+
+#include <platform.h>
+#include <kernel/config.h>
+#include <kernel/unit.h>
+#include "academy.h"
+#include "study.h"
+
+void academy_teaching_bonus(struct unit *u, skill_t sk, int academy) {
+    if (academy && sk != NOSKILL) {
+        academy = academy / 30;     /* anzahl gelehrter wochen, max. 10 */
+        learn_skill(u, sk, academy / 30.0 / TEACHNUMBER);
+    }
+}

src/academy.h

@@ -0,0 +1,16 @@
+#ifndef H_ACADEMY
+#define H_ACADEMY
+
+#include <skill.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    struct unit;
+    void academy_teaching_bonus(struct unit *u, skill_t sk, int academy);
+
+#ifdef __cplusplus
+}
+#endif
+#endif