Added copyright notice

FossilOrigin-Name: d8d8299c40f31401532ae1f66019ac3ff8498c04c8aff4e0b27e40fb3707a1f9

src/capwap/bstr_create.c

@@ -1,10 +1,26 @@
+/*
+    This file is part of libcapwap.
+
+    libcapwap is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
 #include <stdint.h>
 #include <string.h>
 #include <stdlib.h>
 
-
-
-
 uint8_t * bstr_create(uint8_t *data, uint8_t len)
 {
 	uint8_t * str = malloc(len*sizeof(uint8_t));