Add stubs

tests/unittests/tools/stub_http_common.c

@@ -0,0 +1,16 @@
+#ifndef TOOLS_HTTP_COMMON_H
+#define TOOLS_HTTP_COMMON_H
+
+typedef struct prof_win_t ProfWin;
+
+char*
+http_basename_from_url(const char* url)
+{
+    return "";
+}
+
+void http_print_transfer(ProfWin* window, char* url, const char* fmt, ...);
+void http_print_transfer_update(ProfWin* window, char* url,
+                                const char* fmt, ...);
+
+#endif