Fix license

filter.h

@@ -1,6 +1,6 @@
 /*
 Copyright (c) 2015 Leon Baker
-This projected is licensed under the terms of the LGPL-3.0 license.
+This projected is licensed under the terms of the MIT License.
 */
 
 // Set Callback functions in smfiDesc struct
@@ -21,4 +21,4 @@ extern void setClose(struct smfiDesc *smfilter);
 // Return the size of a null terminated pointer array
 extern int argv_len(char **argv);
 
-extern int wrap_setmlreply(SMFICTX *ctx, char *rcode, char *xcode, int msgc, char **msgv);
+extern int wrap_setmlreply(SMFICTX *ctx, char *rcode, char *xcode, int msgc, char **msgv);