diff -r 4b55f05f4e00 -r a297c2e28fa1 libidav/webdav.h
--- a/libidav/webdav.h	Sat Mar 19 18:49:36 2016 +0100
+++ b/libidav/webdav.h	Sun Mar 20 11:27:31 2016 +0100
@@ -126,7 +126,7 @@
     void          *locks;
     uint32_t      flags;
     DavError      error;
-    const char    *errorstr;
+    char          *errorstr;
 };
 
 struct DavContext {
@@ -196,7 +196,7 @@
 void* dav_session_calloc(DavSession *sn, size_t nelm, size_t size);
 void* dav_session_realloc(DavSession *sn, void *ptr, size_t size);
 void  dav_session_free(DavSession *sn, void *ptr);
-char* dav_session_strdup(DavSession *sn, char *str);
+char* dav_session_strdup(DavSession *sn, const char *str);
 
 
 DavResource* dav_get(DavSession *sn, char *path, char *properties);